diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index 0150d5236bdef..3a6e80d797102 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -819,6 +819,7 @@ namespace ts {
         let deferredGlobalESSymbolConstructorSymbol: Symbol | undefined;
         let deferredGlobalESSymbolType: ObjectType;
         let deferredGlobalTypedPropertyDescriptorType: GenericType;
+        let deferredGlobalAwaitedSymbol: Symbol | undefined;
         let deferredGlobalPromiseType: GenericType;
         let deferredGlobalPromiseLikeType: GenericType;
         let deferredGlobalPromiseConstructorSymbol: Symbol | undefined;
@@ -873,7 +874,6 @@ namespace ts {
         const potentialThisCollisions: Node[] = [];
         const potentialNewTargetCollisions: Node[] = [];
         const potentialWeakMapCollisions: Node[] = [];
-        const awaitedTypeStack: number[] = [];
 
         const diagnostics = createDiagnosticCollection();
         const suggestionDiagnostics = createDiagnosticCollection();
@@ -11284,6 +11284,10 @@ namespace ts {
             return deferredGlobalESSymbolType || (deferredGlobalESSymbolType = getGlobalType("Symbol" as __String, /*arity*/ 0, reportErrors)) || emptyObjectType;
         }
 
+        function getGlobalAwaitedSymbol(reportErrors: boolean) {
+            return deferredGlobalAwaitedSymbol || (deferredGlobalAwaitedSymbol = getGlobalTypeSymbol("Awaited" as __String, reportErrors));
+        }
+
         function getGlobalPromiseType(reportErrors: boolean) {
             return deferredGlobalPromiseType || (deferredGlobalPromiseType = getGlobalType("Promise" as __String, /*arity*/ 1, reportErrors)) || emptyGenericType;
         }
@@ -29368,98 +29372,22 @@ namespace ts {
                 return typeAsAwaitable.awaitedTypeOfType = type;
             }
 
-            if (type.flags & TypeFlags.Union) {
-                let types: Type[] | undefined;
-                for (const constituentType of (<UnionType>type).types) {
-                    types = append<Type>(types, getAwaitedType(constituentType, errorNode, diagnosticMessage, arg0));
-                }
-
-                if (!types) {
-                    return undefined;
-                }
-
-                return typeAsAwaitable.awaitedTypeOfType = getUnionType(types);
+            const symbol = getGlobalAwaitedSymbol(/*reportErrors*/ false);
+            if (!symbol) {
+                return typeAsAwaitable.awaitedTypeOfType = type;
             }
 
-            const promisedType = getPromisedTypeOfPromise(type);
-            if (promisedType) {
-                if (type.id === promisedType.id || awaitedTypeStack.indexOf(promisedType.id) >= 0) {
-                    // Verify that we don't have a bad actor in the form of a promise whose
-                    // promised type is the same as the promise type, or a mutually recursive
-                    // promise. If so, we return undefined as we cannot guess the shape. If this
-                    // were the actual case in the JavaScript, this Promise would never resolve.
-                    //
-                    // An example of a bad actor with a singly-recursive promise type might
-                    // be:
-                    //
-                    //  interface BadPromise {
-                    //      then(
-                    //          onfulfilled: (value: BadPromise) => any,
-                    //          onrejected: (error: any) => any): BadPromise;
-                    //  }
-                    // The above interface will pass the PromiseLike check, and return a
-                    // promised type of `BadPromise`. Since this is a self reference, we
-                    // don't want to keep recursing ad infinitum.
-                    //
-                    // An example of a bad actor in the form of a mutually-recursive
-                    // promise type might be:
-                    //
-                    //  interface BadPromiseA {
-                    //      then(
-                    //          onfulfilled: (value: BadPromiseB) => any,
-                    //          onrejected: (error: any) => any): BadPromiseB;
-                    //  }
-                    //
-                    //  interface BadPromiseB {
-                    //      then(
-                    //          onfulfilled: (value: BadPromiseA) => any,
-                    //          onrejected: (error: any) => any): BadPromiseA;
-                    //  }
-                    //
-                    if (errorNode) {
-                        error(errorNode, Diagnostics.Type_is_referenced_directly_or_indirectly_in_the_fulfillment_callback_of_its_own_then_method);
-                    }
-                    return undefined;
-                }
-
-                // Keep track of the type we're about to unwrap to avoid bad recursive promise types.
-                // See the comments above for more information.
-                awaitedTypeStack.push(type.id);
-                const awaitedType = getAwaitedType(promisedType, errorNode, diagnosticMessage, arg0);
-                awaitedTypeStack.pop();
-
-                if (!awaitedType) {
-                    return undefined;
-                }
-
-                return typeAsAwaitable.awaitedTypeOfType = awaitedType;
+            const result = getTypeAliasInstantiation(symbol, [type]);
+            if (result !== unknownType || type === unknownType || getPromisedTypeOfPromise(type) === unknownType) {
+                return typeAsAwaitable.awaitedTypeOfType = (result as PromiseOrAwaitableType).awaitedTypeOfType = result;
             }
 
-            // The type was not a promise, so it could not be unwrapped any further.
-            // As long as the type does not have a callable "then" property, it is
-            // safe to return the type; otherwise, an error will be reported in
-            // the call to getNonThenableType and we will return undefined.
-            //
-            // An example of a non-promise "thenable" might be:
-            //
-            //  await { then(): void {} }
-            //
-            // The "thenable" does not match the minimal definition for a promise. When
-            // a Promise/A+-compatible or ES6 promise tries to adopt this value, the promise
-            // will never settle. We treat this as an error to help flag an early indicator
-            // of a runtime problem. If the user wants to return this value from an async
-            // function, they would need to wrap it in some other value. If they want it to
-            // be treated as a promise, they can cast to <any>.
-            const thenFunction = getTypeOfPropertyOfType(type, "then" as __String);
-            if (thenFunction && getSignaturesOfType(thenFunction, SignatureKind.Call).length > 0) {
-                if (errorNode) {
-                    if (!diagnosticMessage) return Debug.fail();
-                    error(errorNode, diagnosticMessage, arg0);
-                }
-                return undefined;
+            if (errorNode) {
+                if (!diagnosticMessage) return Debug.fail();
+                error(errorNode, diagnosticMessage, arg0);
             }
 
-            return typeAsAwaitable.awaitedTypeOfType = type;
+            return undefined;
         }
 
         /**
diff --git a/src/harness/fourslashInterfaceImpl.ts b/src/harness/fourslashInterfaceImpl.ts
index f3e3953ce3fbc..8f1b5014d523a 100644
--- a/src/harness/fourslashInterfaceImpl.ts
+++ b/src/harness/fourslashInterfaceImpl.ts
@@ -957,6 +957,7 @@ namespace FourSlashInterface {
             typeEntry("PropertyDecorator"),
             typeEntry("MethodDecorator"),
             typeEntry("ParameterDecorator"),
+            typeEntry("Awaited"),
             typeEntry("PromiseConstructorLike"),
             interfaceEntry("PromiseLike"),
             interfaceEntry("Promise"),
diff --git a/src/lib/es2015.iterable.d.ts b/src/lib/es2015.iterable.d.ts
index 937f99d3409a4..e39422a0405a7 100644
--- a/src/lib/es2015.iterable.d.ts
+++ b/src/lib/es2015.iterable.d.ts
@@ -200,18 +200,18 @@ interface PromiseConstructor {
     /**
      * Creates a Promise that is resolved with an array of results when all of the provided Promises
      * resolve, or rejected when any Promise is rejected.
-     * @param values An array of Promises.
+     * @param values An iterable of Promises.
      * @returns A new Promise.
      */
-    all<TAll>(values: Iterable<TAll | PromiseLike<TAll>>): Promise<TAll[]>;
+    all<TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>;
 
     /**
      * Creates a Promise that is resolved or rejected when any of the provided Promises are resolved
      * or rejected.
-     * @param values An array of Promises.
+     * @param values An iterable of Promises.
      * @returns A new Promise.
      */
-    race<T>(values: Iterable<T | PromiseLike<T>>): Promise<T>;
+    race<T>(values: Iterable<T>): Promise<Awaited<T>>;
 }
 
 declare namespace Reflect {
diff --git a/src/lib/es2015.promise.d.ts b/src/lib/es2015.promise.d.ts
index 45b0fa5dc59d9..fcc438ccf122d 100644
--- a/src/lib/es2015.promise.d.ts
+++ b/src/lib/es2015.promise.d.ts
@@ -10,7 +10,7 @@ interface PromiseConstructor {
      * a resolve callback used to resolve the promise with a value or the result of another promise,
      * and a reject callback used to reject the promise with a provided reason or error.
      */
-    new <T>(executor: (resolve: (value?: T | PromiseLike<T>) => void, reject: (reason?: any) => void) => void): Promise<T>;
+    new <T>(executor: (resolve: (value?: T) => void, reject: (reason?: any) => void) => void): Promise<Awaited<T>>;
 
     /**
      * Creates a Promise that is resolved with an array of results when all of the provided Promises
@@ -18,79 +18,7 @@ interface PromiseConstructor {
      * @param values An array of Promises.
      * @returns A new Promise.
      */
-    all<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all of the provided Promises
-     * resolve, or rejected when any Promise is rejected.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    all<T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all of the provided Promises
-     * resolve, or rejected when any Promise is rejected.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    all<T1, T2, T3, T4, T5, T6, T7, T8>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all of the provided Promises
-     * resolve, or rejected when any Promise is rejected.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    all<T1, T2, T3, T4, T5, T6, T7>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[T1, T2, T3, T4, T5, T6, T7]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all of the provided Promises
-     * resolve, or rejected when any Promise is rejected.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    all<T1, T2, T3, T4, T5, T6>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[T1, T2, T3, T4, T5, T6]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all of the provided Promises
-     * resolve, or rejected when any Promise is rejected.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    all<T1, T2, T3, T4, T5>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>, T5 | PromiseLike<T5>]): Promise<[T1, T2, T3, T4, T5]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all of the provided Promises
-     * resolve, or rejected when any Promise is rejected.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    all<T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike <T4>]): Promise<[T1, T2, T3, T4]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all of the provided Promises
-     * resolve, or rejected when any Promise is rejected.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    all<T1, T2, T3>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>]): Promise<[T1, T2, T3]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all of the provided Promises
-     * resolve, or rejected when any Promise is rejected.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    all<T1, T2>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>]): Promise<[T1, T2]>;
-
-    /**
-     * Creates a Promise that is resolved with an array of results when all of the provided Promises
-     * resolve, or rejected when any Promise is rejected.
-     * @param values An array of Promises.
-     * @returns A new Promise.
-     */
-    all<T>(values: readonly (T | PromiseLike<T>)[]): Promise<T[]>;
+    all<T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]> }>;
 
     /**
      * Creates a Promise that is resolved or rejected when any of the provided Promises are resolved
@@ -98,15 +26,7 @@ interface PromiseConstructor {
      * @param values An array of Promises.
      * @returns A new Promise.
      */
-    race<T>(values: readonly T[]): Promise<T extends PromiseLike<infer U> ? U : T>;
-
-    /**
-     * Creates a Promise that is resolved or rejected when any of the provided Promises are resolved
-     * or rejected.
-     * @param values An iterable of Promises.
-     * @returns A new Promise.
-     */
-    race<T>(values: Iterable<T>): Promise<T extends PromiseLike<infer U> ? U : T>;
+    race<T extends readonly any[]>(values: T): Promise<Awaited<T[number]>>;
 
     /**
      * Creates a new rejected promise for the provided reason.
@@ -120,10 +40,10 @@ interface PromiseConstructor {
      * @param value A promise.
      * @returns A promise whose internal state matches the provided promise.
      */
-    resolve<T>(value: T | PromiseLike<T>): Promise<T>;
+    resolve<T>(value: T): Promise<Awaited<T>>;
 
     /**
-     * Creates a new resolved promise .
+     * Creates a new resolved promise.
      * @returns A resolved promise.
      */
     resolve(): Promise<void>;
diff --git a/src/lib/es2018.asyncgenerator.d.ts b/src/lib/es2018.asyncgenerator.d.ts
index f6966264c8be4..a13ff0454376a 100644
--- a/src/lib/es2018.asyncgenerator.d.ts
+++ b/src/lib/es2018.asyncgenerator.d.ts
@@ -2,9 +2,9 @@
 
 interface AsyncGenerator<T = unknown, TReturn = any, TNext = unknown> extends AsyncIterator<T, TReturn, TNext> {
     // NOTE: 'next' is defined using a tuple to ensure we report the correct assignability errors in all places.
-    next(...args: [] | [TNext]): Promise<IteratorResult<T, TReturn>>;
-    return(value: TReturn | PromiseLike<TReturn>): Promise<IteratorResult<T, TReturn>>;
-    throw(e: any): Promise<IteratorResult<T, TReturn>>;
+    next(...args: [] | [TNext]): Promise<IteratorResult<T, Awaited<TReturn>>>;
+    return(value: TReturn): Promise<IteratorResult<T, Awaited<TReturn>>>;
+    throw(e: any): Promise<IteratorResult<T, Awaited<TReturn>>>;
     [Symbol.asyncIterator](): AsyncGenerator<T, TReturn, TNext>;
 }
 
diff --git a/src/lib/es2018.asynciterable.d.ts b/src/lib/es2018.asynciterable.d.ts
index 19a31c72ca4a9..7aa1ca2abb912 100644
--- a/src/lib/es2018.asynciterable.d.ts
+++ b/src/lib/es2018.asynciterable.d.ts
@@ -11,9 +11,9 @@ interface SymbolConstructor {
 
 interface AsyncIterator<T, TReturn = any, TNext = undefined> {
     // NOTE: 'next' is defined using a tuple to ensure we report the correct assignability errors in all places.
-    next(...args: [] | [TNext]): Promise<IteratorResult<T, TReturn>>;
-    return?(value?: TReturn | PromiseLike<TReturn>): Promise<IteratorResult<T, TReturn>>;
-    throw?(e?: any): Promise<IteratorResult<T, TReturn>>;
+    next(...args: [] | [TNext]): Promise<IteratorResult<T, Awaited<TReturn>>>;
+    return?(value?: TReturn): Promise<IteratorResult<T, Awaited<TReturn>>>;
+    throw?(e?: any): Promise<IteratorResult<T, Awaited<TReturn>>>;
 }
 
 interface AsyncIterable<T> {
@@ -22,4 +22,4 @@ interface AsyncIterable<T> {
 
 interface AsyncIterableIterator<T> extends AsyncIterator<T> {
     [Symbol.asyncIterator](): AsyncIterableIterator<T>;
-}
\ No newline at end of file
+}
diff --git a/src/lib/es5.d.ts b/src/lib/es5.d.ts
index 8893a7b0bb63e..ab3aeda143a89 100644
--- a/src/lib/es5.d.ts
+++ b/src/lib/es5.d.ts
@@ -1378,7 +1378,12 @@ declare type PropertyDecorator = (target: Object, propertyKey: string | symbol)
 declare type MethodDecorator = <T>(target: Object, propertyKey: string | symbol, descriptor: TypedPropertyDescriptor<T>) => TypedPropertyDescriptor<T> | void;
 declare type ParameterDecorator = (target: Object, propertyKey: string | symbol, parameterIndex: number) => void;
 
-declare type PromiseConstructorLike = new <T>(executor: (resolve: (value?: T | PromiseLike<T>) => void, reject: (reason?: any) => void) => void) => PromiseLike<T>;
+// The undefined case is for strictNullChecks false, in which case
+// undefined extends PromiseLike<infer U> is true, which would otherwise
+// make Awaited<undefined> -> unknown.
+type Awaited<T> = T extends undefined ? T : T extends PromiseLike<infer U> ? U : T extends { then(...args: any[]): any } ? unknown : T;
+
+declare type PromiseConstructorLike = new <T>(executor: (resolve: (value?: T) => void, reject: (reason?: any) => void) => void) => PromiseLike<Awaited<T>>;
 
 interface PromiseLike<T> {
     /**
diff --git a/tests/baselines/reference/asyncArrowFunction11_es5.types b/tests/baselines/reference/asyncArrowFunction11_es5.types
index 7fd9d53af7228..9e2c406ea1a11 100644
--- a/tests/baselines/reference/asyncArrowFunction11_es5.types
+++ b/tests/baselines/reference/asyncArrowFunction11_es5.types
@@ -11,9 +11,9 @@ class A {
         await Promise.resolve();
 >await Promise.resolve() : void
 >Promise.resolve() : Promise<void>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 
         const obj = { ["a"]: () => this }; // computed property name after `await` triggers case
 >obj : { a: () => this; }
diff --git a/tests/baselines/reference/asyncArrowFunction5_es2017.errors.txt b/tests/baselines/reference/asyncArrowFunction5_es2017.errors.txt
index 26601467324e6..178d283587fdb 100644
--- a/tests/baselines/reference/asyncArrowFunction5_es2017.errors.txt
+++ b/tests/baselines/reference/asyncArrowFunction5_es2017.errors.txt
@@ -16,7 +16,7 @@ tests/cases/conformance/async/es2017/asyncArrowFunction/asyncArrowFunction5_es20
 !!! error TS1005: ',' expected.
                              ~~~~~~~
 !!! error TS2403: Subsequent variable declarations must have the same type.  Variable 'Promise' must be of type 'PromiseConstructor', but here has type 'any'.
-!!! related TS6203 /.ts/lib.es2015.promise.d.ts:152:13: 'Promise' was also declared here.
+!!! related TS6203 /.ts/lib.es2015.promise.d.ts:72:13: 'Promise' was also declared here.
                                     ~
 !!! error TS1005: ',' expected.
                                            ~~
diff --git a/tests/baselines/reference/asyncArrowFunction5_es5.errors.txt b/tests/baselines/reference/asyncArrowFunction5_es5.errors.txt
index cf82d765a566a..6960eeb5fd9a0 100644
--- a/tests/baselines/reference/asyncArrowFunction5_es5.errors.txt
+++ b/tests/baselines/reference/asyncArrowFunction5_es5.errors.txt
@@ -16,7 +16,7 @@ tests/cases/conformance/async/es5/asyncArrowFunction/asyncArrowFunction5_es5.ts(
 !!! error TS1005: ',' expected.
                              ~~~~~~~
 !!! error TS2403: Subsequent variable declarations must have the same type.  Variable 'Promise' must be of type 'PromiseConstructor', but here has type 'any'.
-!!! related TS6203 /.ts/lib.es2015.promise.d.ts:152:13: 'Promise' was also declared here.
+!!! related TS6203 /.ts/lib.es2015.promise.d.ts:72:13: 'Promise' was also declared here.
                                     ~
 !!! error TS1005: ',' expected.
                                            ~~
diff --git a/tests/baselines/reference/asyncArrowFunction5_es6.errors.txt b/tests/baselines/reference/asyncArrowFunction5_es6.errors.txt
index 909efc3c97eec..69d55e2a264a0 100644
--- a/tests/baselines/reference/asyncArrowFunction5_es6.errors.txt
+++ b/tests/baselines/reference/asyncArrowFunction5_es6.errors.txt
@@ -16,7 +16,7 @@ tests/cases/conformance/async/es6/asyncArrowFunction/asyncArrowFunction5_es6.ts(
 !!! error TS1005: ',' expected.
                              ~~~~~~~
 !!! error TS2403: Subsequent variable declarations must have the same type.  Variable 'Promise' must be of type 'PromiseConstructor', but here has type 'any'.
-!!! related TS6203 /.ts/lib.es2015.promise.d.ts:152:13: 'Promise' was also declared here.
+!!! related TS6203 /.ts/lib.es2015.promise.d.ts:72:13: 'Promise' was also declared here.
                                     ~
 !!! error TS1005: ',' expected.
                                            ~~
diff --git a/tests/baselines/reference/asyncArrowFunction9_es2017.errors.txt b/tests/baselines/reference/asyncArrowFunction9_es2017.errors.txt
index 0be88de28681a..2ea9d6031769f 100644
--- a/tests/baselines/reference/asyncArrowFunction9_es2017.errors.txt
+++ b/tests/baselines/reference/asyncArrowFunction9_es2017.errors.txt
@@ -16,7 +16,7 @@ tests/cases/conformance/async/es2017/asyncArrowFunction/asyncArrowFunction9_es20
 !!! error TS1005: ',' expected.
                                           ~~~~~~~
 !!! error TS2403: Subsequent variable declarations must have the same type.  Variable 'Promise' must be of type 'PromiseConstructor', but here has type 'any'.
-!!! related TS6203 /.ts/lib.es2015.promise.d.ts:152:13: 'Promise' was also declared here.
+!!! related TS6203 /.ts/lib.es2015.promise.d.ts:72:13: 'Promise' was also declared here.
                                                  ~
 !!! error TS1005: ',' expected.
                                                         ~~
diff --git a/tests/baselines/reference/asyncArrowFunction9_es5.errors.txt b/tests/baselines/reference/asyncArrowFunction9_es5.errors.txt
index 085b3b50884b7..fbe29eeb433ba 100644
--- a/tests/baselines/reference/asyncArrowFunction9_es5.errors.txt
+++ b/tests/baselines/reference/asyncArrowFunction9_es5.errors.txt
@@ -16,7 +16,7 @@ tests/cases/conformance/async/es5/asyncArrowFunction/asyncArrowFunction9_es5.ts(
 !!! error TS1005: ',' expected.
                                           ~~~~~~~
 !!! error TS2403: Subsequent variable declarations must have the same type.  Variable 'Promise' must be of type 'PromiseConstructor', but here has type 'any'.
-!!! related TS6203 /.ts/lib.es2015.promise.d.ts:152:13: 'Promise' was also declared here.
+!!! related TS6203 /.ts/lib.es2015.promise.d.ts:72:13: 'Promise' was also declared here.
                                                  ~
 !!! error TS1005: ',' expected.
                                                         ~~
diff --git a/tests/baselines/reference/asyncArrowFunction9_es6.errors.txt b/tests/baselines/reference/asyncArrowFunction9_es6.errors.txt
index 6949aad5cea0c..8fa44422f0a3d 100644
--- a/tests/baselines/reference/asyncArrowFunction9_es6.errors.txt
+++ b/tests/baselines/reference/asyncArrowFunction9_es6.errors.txt
@@ -16,7 +16,7 @@ tests/cases/conformance/async/es6/asyncArrowFunction/asyncArrowFunction9_es6.ts(
 !!! error TS1005: ',' expected.
                                           ~~~~~~~
 !!! error TS2403: Subsequent variable declarations must have the same type.  Variable 'Promise' must be of type 'PromiseConstructor', but here has type 'any'.
-!!! related TS6203 /.ts/lib.es2015.promise.d.ts:152:13: 'Promise' was also declared here.
+!!! related TS6203 /.ts/lib.es2015.promise.d.ts:72:13: 'Promise' was also declared here.
                                                  ~
 !!! error TS1005: ',' expected.
                                                         ~~
diff --git a/tests/baselines/reference/asyncArrowFunctionCapturesThis_es2017.types b/tests/baselines/reference/asyncArrowFunctionCapturesThis_es2017.types
index 57f59302bb5bc..93e3136c139b5 100644
--- a/tests/baselines/reference/asyncArrowFunctionCapturesThis_es2017.types
+++ b/tests/baselines/reference/asyncArrowFunctionCapturesThis_es2017.types
@@ -6,9 +6,9 @@ class C {
 >method : () => void
 
       var fn = async () => await this;      
->fn : () => Promise<this>
->async () => await this : () => Promise<this>
->await this : this
+>fn : () => Promise<Awaited<this>>
+>async () => await this : () => Promise<Awaited<this>>
+>await this : Awaited<this>
 >this : this
    }
 }
diff --git a/tests/baselines/reference/asyncArrowFunctionCapturesThis_es5.types b/tests/baselines/reference/asyncArrowFunctionCapturesThis_es5.types
index da378ee2718f9..90f89654c0518 100644
--- a/tests/baselines/reference/asyncArrowFunctionCapturesThis_es5.types
+++ b/tests/baselines/reference/asyncArrowFunctionCapturesThis_es5.types
@@ -6,9 +6,9 @@ class C {
 >method : () => void
 
       var fn = async () => await this;
->fn : () => Promise<this>
->async () => await this : () => Promise<this>
->await this : this
+>fn : () => Promise<Awaited<this>>
+>async () => await this : () => Promise<Awaited<this>>
+>await this : Awaited<this>
 >this : this
    }
 }
diff --git a/tests/baselines/reference/asyncArrowFunctionCapturesThis_es6.types b/tests/baselines/reference/asyncArrowFunctionCapturesThis_es6.types
index 5386a956ada9a..3b77fc642e4a2 100644
--- a/tests/baselines/reference/asyncArrowFunctionCapturesThis_es6.types
+++ b/tests/baselines/reference/asyncArrowFunctionCapturesThis_es6.types
@@ -6,9 +6,9 @@ class C {
 >method : () => void
 
       var fn = async () => await this;      
->fn : () => Promise<this>
->async () => await this : () => Promise<this>
->await this : this
+>fn : () => Promise<Awaited<this>>
+>async () => await this : () => Promise<Awaited<this>>
+>await this : Awaited<this>
 >this : this
    }
 }
diff --git a/tests/baselines/reference/asyncAwaitNestedClasses_es5.types b/tests/baselines/reference/asyncAwaitNestedClasses_es5.types
index 40f0e5ce9b900..ceba067940be1 100644
--- a/tests/baselines/reference/asyncAwaitNestedClasses_es5.types
+++ b/tests/baselines/reference/asyncAwaitNestedClasses_es5.types
@@ -14,10 +14,10 @@ class A {
             return new Promise((resolve) => { resolve(null); });
 >new Promise((resolve) => { resolve(null); }) : Promise<void>
 >Promise : PromiseConstructor
->(resolve) => { resolve(null); } : (resolve: (value?: void | PromiseLike<void>) => void) => void
->resolve : (value?: void | PromiseLike<void>) => void
+>(resolve) => { resolve(null); } : (resolve: (value?: void) => void) => void
+>resolve : (value?: void) => void
 >resolve(null) : void
->resolve : (value?: void | PromiseLike<void>) => void
+>resolve : (value?: void) => void
 >null : null
         }
         static C = class C {
diff --git a/tests/baselines/reference/asyncFunctionDeclaration15_es5.errors.txt b/tests/baselines/reference/asyncFunctionDeclaration15_es5.errors.txt
index 7e3595ec6f4e0..c29861e1494d1 100644
--- a/tests/baselines/reference/asyncFunctionDeclaration15_es5.errors.txt
+++ b/tests/baselines/reference/asyncFunctionDeclaration15_es5.errors.txt
@@ -5,7 +5,7 @@ tests/cases/conformance/async/es5/functionDeclarations/asyncFunctionDeclaration1
 tests/cases/conformance/async/es5/functionDeclarations/asyncFunctionDeclaration15_es5.ts(8,23): error TS2355: A function whose declared type is neither 'void' nor 'any' must return a value.
 tests/cases/conformance/async/es5/functionDeclarations/asyncFunctionDeclaration15_es5.ts(9,23): error TS1055: Type 'PromiseLike' is not a valid async function return type in ES5/ES3 because it does not refer to a Promise-compatible constructor value.
 tests/cases/conformance/async/es5/functionDeclarations/asyncFunctionDeclaration15_es5.ts(10,23): error TS1055: Type 'typeof Thenable' is not a valid async function return type in ES5/ES3 because it does not refer to a Promise-compatible constructor value.
-  Construct signature return types 'Thenable' and 'PromiseLike<T>' are incompatible.
+  Construct signature return types 'Thenable' and 'PromiseLike<Awaited<T>>' are incompatible.
     The types returned by 'then(...)' are incompatible between these types.
       Type 'void' is not assignable to type 'PromiseLike<TResult1 | TResult2>'.
 tests/cases/conformance/async/es5/functionDeclarations/asyncFunctionDeclaration15_es5.ts(17,16): error TS1058: The return type of an async function must either be a valid promise or must not contain a callable 'then' member.
@@ -37,7 +37,7 @@ tests/cases/conformance/async/es5/functionDeclarations/asyncFunctionDeclaration1
     async function fn6(): Thenable { } // error
                           ~~~~~~~~
 !!! error TS1055: Type 'typeof Thenable' is not a valid async function return type in ES5/ES3 because it does not refer to a Promise-compatible constructor value.
-!!! error TS1055:   Construct signature return types 'Thenable' and 'PromiseLike<T>' are incompatible.
+!!! error TS1055:   Construct signature return types 'Thenable' and 'PromiseLike<Awaited<T>>' are incompatible.
 !!! error TS1055:     The types returned by 'then(...)' are incompatible between these types.
 !!! error TS1055:       Type 'void' is not assignable to type 'PromiseLike<TResult1 | TResult2>'.
     async function fn7() { return; } // valid: Promise<void>
diff --git a/tests/baselines/reference/asyncFunctionReturnType.js b/tests/baselines/reference/asyncFunctionReturnType.js
index 04b3a04a036d3..dce0f07b77cec 100644
--- a/tests/baselines/reference/asyncFunctionReturnType.js
+++ b/tests/baselines/reference/asyncFunctionReturnType.js
@@ -63,17 +63,25 @@ async function fGenericIndexedTypeForExplicitPromiseOfAnyProp<TObj extends Obj>(
     return Promise.resolve<TObj["anyProp"]>(obj.anyProp);
 }
 
-async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
+async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
     return obj[key];
 }
 
-async function fGenericIndexedTypeForPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
+async function fGenericIndexedTypeForPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
     return Promise.resolve(obj[key]);
 }
 
-async function fGenericIndexedTypeForExplicitPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
+async function fGenericIndexedTypeForExplicitPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
     return Promise.resolve<TObj[K]>(obj[key]);
-}
+}
+
+// #27711
+
+async function fGeneric<T>(x: T) {
+    return x;
+}
+const expected: Promise<string> = fGeneric(undefined as Promise<string>);
+
 
 //// [asyncFunctionReturnType.js]
 var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
@@ -172,3 +180,10 @@ function fGenericIndexedTypeForExplicitPromiseOfKProp(obj, key) {
         return Promise.resolve(obj[key]);
     });
 }
+// #27711
+function fGeneric(x) {
+    return __awaiter(this, void 0, void 0, function* () {
+        return x;
+    });
+}
+const expected = fGeneric(undefined);
diff --git a/tests/baselines/reference/asyncFunctionReturnType.symbols b/tests/baselines/reference/asyncFunctionReturnType.symbols
index 25a7e944c6a7a..7b0c95c33acb8 100644
--- a/tests/baselines/reference/asyncFunctionReturnType.symbols
+++ b/tests/baselines/reference/asyncFunctionReturnType.symbols
@@ -221,7 +221,7 @@ async function fGenericIndexedTypeForExplicitPromiseOfAnyProp<TObj extends Obj>(
 >anyProp : Symbol(Obj.anyProp, Decl(asyncFunctionReturnType.ts, 12, 23))
 }
 
-async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
+async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
 >fGenericIndexedTypeForKProp : Symbol(fGenericIndexedTypeForKProp, Decl(asyncFunctionReturnType.ts, 62, 1))
 >TObj : Symbol(TObj, Decl(asyncFunctionReturnType.ts, 64, 43))
 >Obj : Symbol(Obj, Decl(asyncFunctionReturnType.ts, 8, 1))
@@ -232,6 +232,7 @@ async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TOb
 >key : Symbol(key, Decl(asyncFunctionReturnType.ts, 64, 93))
 >K : Symbol(K, Decl(asyncFunctionReturnType.ts, 64, 60))
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>Awaited : Symbol(Awaited, Decl(lib.es5.d.ts, --, --))
 >TObj : Symbol(TObj, Decl(asyncFunctionReturnType.ts, 64, 43))
 >K : Symbol(K, Decl(asyncFunctionReturnType.ts, 64, 60))
 
@@ -240,7 +241,7 @@ async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TOb
 >key : Symbol(key, Decl(asyncFunctionReturnType.ts, 64, 93))
 }
 
-async function fGenericIndexedTypeForPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
+async function fGenericIndexedTypeForPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
 >fGenericIndexedTypeForPromiseOfKProp : Symbol(fGenericIndexedTypeForPromiseOfKProp, Decl(asyncFunctionReturnType.ts, 66, 1))
 >TObj : Symbol(TObj, Decl(asyncFunctionReturnType.ts, 68, 52))
 >Obj : Symbol(Obj, Decl(asyncFunctionReturnType.ts, 8, 1))
@@ -251,6 +252,7 @@ async function fGenericIndexedTypeForPromiseOfKProp<TObj extends Obj, K extends
 >key : Symbol(key, Decl(asyncFunctionReturnType.ts, 68, 102))
 >K : Symbol(K, Decl(asyncFunctionReturnType.ts, 68, 69))
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>Awaited : Symbol(Awaited, Decl(lib.es5.d.ts, --, --))
 >TObj : Symbol(TObj, Decl(asyncFunctionReturnType.ts, 68, 52))
 >K : Symbol(K, Decl(asyncFunctionReturnType.ts, 68, 69))
 
@@ -262,7 +264,7 @@ async function fGenericIndexedTypeForPromiseOfKProp<TObj extends Obj, K extends
 >key : Symbol(key, Decl(asyncFunctionReturnType.ts, 68, 102))
 }
 
-async function fGenericIndexedTypeForExplicitPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
+async function fGenericIndexedTypeForExplicitPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
 >fGenericIndexedTypeForExplicitPromiseOfKProp : Symbol(fGenericIndexedTypeForExplicitPromiseOfKProp, Decl(asyncFunctionReturnType.ts, 70, 1))
 >TObj : Symbol(TObj, Decl(asyncFunctionReturnType.ts, 72, 60))
 >Obj : Symbol(Obj, Decl(asyncFunctionReturnType.ts, 8, 1))
@@ -273,6 +275,7 @@ async function fGenericIndexedTypeForExplicitPromiseOfKProp<TObj extends Obj, K
 >key : Symbol(key, Decl(asyncFunctionReturnType.ts, 72, 110))
 >K : Symbol(K, Decl(asyncFunctionReturnType.ts, 72, 77))
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>Awaited : Symbol(Awaited, Decl(lib.es5.d.ts, --, --))
 >TObj : Symbol(TObj, Decl(asyncFunctionReturnType.ts, 72, 60))
 >K : Symbol(K, Decl(asyncFunctionReturnType.ts, 72, 77))
 
@@ -285,3 +288,22 @@ async function fGenericIndexedTypeForExplicitPromiseOfKProp<TObj extends Obj, K
 >obj : Symbol(obj, Decl(asyncFunctionReturnType.ts, 72, 100))
 >key : Symbol(key, Decl(asyncFunctionReturnType.ts, 72, 110))
 }
+
+// #27711
+
+async function fGeneric<T>(x: T) {
+>fGeneric : Symbol(fGeneric, Decl(asyncFunctionReturnType.ts, 74, 1))
+>T : Symbol(T, Decl(asyncFunctionReturnType.ts, 78, 24))
+>x : Symbol(x, Decl(asyncFunctionReturnType.ts, 78, 27))
+>T : Symbol(T, Decl(asyncFunctionReturnType.ts, 78, 24))
+
+    return x;
+>x : Symbol(x, Decl(asyncFunctionReturnType.ts, 78, 27))
+}
+const expected: Promise<string> = fGeneric(undefined as Promise<string>);
+>expected : Symbol(expected, Decl(asyncFunctionReturnType.ts, 81, 5))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>fGeneric : Symbol(fGeneric, Decl(asyncFunctionReturnType.ts, 74, 1))
+>undefined : Symbol(undefined)
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+
diff --git a/tests/baselines/reference/asyncFunctionReturnType.types b/tests/baselines/reference/asyncFunctionReturnType.types
index d2cb63e0a35f3..e8e68fb0ab587 100644
--- a/tests/baselines/reference/asyncFunctionReturnType.types
+++ b/tests/baselines/reference/asyncFunctionReturnType.types
@@ -44,9 +44,9 @@ async function fIndexedTypeForPromiseOfStringProp(obj: Obj): Promise<Obj["string
 
     return Promise.resolve(obj.stringProp);
 >Promise.resolve(obj.stringProp) : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >obj.stringProp : string
 >obj : Obj
 >stringProp : string
@@ -58,9 +58,9 @@ async function fIndexedTypeForExplicitPromiseOfStringProp(obj: Obj): Promise<Obj
 
     return Promise.resolve<Obj["stringProp"]>(obj.stringProp);
 >Promise.resolve<Obj["stringProp"]>(obj.stringProp) : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >obj.stringProp : string
 >obj : Obj
 >stringProp : string
@@ -82,9 +82,9 @@ async function fIndexedTypeForPromiseOfAnyProp(obj: Obj): Promise<Obj["anyProp"]
 
     return Promise.resolve(obj.anyProp);
 >Promise.resolve(obj.anyProp) : Promise<any>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >obj.anyProp : any
 >obj : Obj
 >anyProp : any
@@ -96,9 +96,9 @@ async function fIndexedTypeForExplicitPromiseOfAnyProp(obj: Obj): Promise<Obj["a
 
     return Promise.resolve<Obj["anyProp"]>(obj.anyProp);
 >Promise.resolve<Obj["anyProp"]>(obj.anyProp) : Promise<any>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >obj.anyProp : any
 >obj : Obj
 >anyProp : any
@@ -120,9 +120,9 @@ async function fGenericIndexedTypeForPromiseOfStringProp<TObj extends Obj>(obj:
 
     return Promise.resolve(obj.stringProp);
 >Promise.resolve(obj.stringProp) : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >obj.stringProp : string
 >obj : TObj
 >stringProp : string
@@ -133,10 +133,10 @@ async function fGenericIndexedTypeForExplicitPromiseOfStringProp<TObj extends Ob
 >obj : TObj
 
     return Promise.resolve<TObj["stringProp"]>(obj.stringProp);
->Promise.resolve<TObj["stringProp"]>(obj.stringProp) : Promise<TObj["stringProp"]>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve<TObj["stringProp"]>(obj.stringProp) : Promise<Awaited<TObj["stringProp"]>>
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >obj.stringProp : string
 >obj : TObj
 >stringProp : string
@@ -158,9 +158,9 @@ async function fGenericIndexedTypeForPromiseOfAnyProp<TObj extends Obj>(obj: TOb
 
     return Promise.resolve(obj.anyProp);
 >Promise.resolve(obj.anyProp) : Promise<any>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >obj.anyProp : any
 >obj : TObj
 >anyProp : any
@@ -171,17 +171,17 @@ async function fGenericIndexedTypeForExplicitPromiseOfAnyProp<TObj extends Obj>(
 >obj : TObj
 
     return Promise.resolve<TObj["anyProp"]>(obj.anyProp);
->Promise.resolve<TObj["anyProp"]>(obj.anyProp) : Promise<TObj["anyProp"]>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve<TObj["anyProp"]>(obj.anyProp) : Promise<Awaited<TObj["anyProp"]>>
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >obj.anyProp : any
 >obj : TObj
 >anyProp : any
 }
 
-async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
->fGenericIndexedTypeForKProp : <TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K) => Promise<TObj[K]>
+async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
+>fGenericIndexedTypeForKProp : <TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K) => Promise<Awaited<TObj[K]>>
 >obj : TObj
 >key : K
 
@@ -191,32 +191,49 @@ async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TOb
 >key : K
 }
 
-async function fGenericIndexedTypeForPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
->fGenericIndexedTypeForPromiseOfKProp : <TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K) => Promise<TObj[K]>
+async function fGenericIndexedTypeForPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
+>fGenericIndexedTypeForPromiseOfKProp : <TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K) => Promise<Awaited<TObj[K]>>
 >obj : TObj
 >key : K
 
     return Promise.resolve(obj[key]);
->Promise.resolve(obj[key]) : Promise<TObj[K]>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve(obj[key]) : Promise<Awaited<TObj[K]>>
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >obj[key] : TObj[K]
 >obj : TObj
 >key : K
 }
 
-async function fGenericIndexedTypeForExplicitPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
->fGenericIndexedTypeForExplicitPromiseOfKProp : <TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K) => Promise<TObj[K]>
+async function fGenericIndexedTypeForExplicitPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
+>fGenericIndexedTypeForExplicitPromiseOfKProp : <TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K) => Promise<Awaited<TObj[K]>>
 >obj : TObj
 >key : K
 
     return Promise.resolve<TObj[K]>(obj[key]);
->Promise.resolve<TObj[K]>(obj[key]) : Promise<TObj[K]>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve<TObj[K]>(obj[key]) : Promise<Awaited<TObj[K]>>
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >obj[key] : TObj[K]
 >obj : TObj
 >key : K
 }
+
+// #27711
+
+async function fGeneric<T>(x: T) {
+>fGeneric : <T>(x: T) => Promise<Awaited<T>>
+>x : T
+
+    return x;
+>x : T
+}
+const expected: Promise<string> = fGeneric(undefined as Promise<string>);
+>expected : Promise<string>
+>fGeneric(undefined as Promise<string>) : Promise<string>
+>fGeneric : <T>(x: T) => Promise<Awaited<T>>
+>undefined as Promise<string> : Promise<string>
+>undefined : undefined
+
diff --git a/tests/baselines/reference/asyncImportedPromise_es5.types b/tests/baselines/reference/asyncImportedPromise_es5.types
index c8ea6bdf61e5d..9cbb2b782ac03 100644
--- a/tests/baselines/reference/asyncImportedPromise_es5.types
+++ b/tests/baselines/reference/asyncImportedPromise_es5.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/async/es5/task.ts ===
 export class Task<T> extends Promise<T> { }
 >Task : Task<T>
->Promise : Promise<T>
+>Promise : Promise<Awaited<T>>
 
 === tests/cases/conformance/async/es5/test.ts ===
 import { Task } from "./task";
diff --git a/tests/baselines/reference/asyncImportedPromise_es6.types b/tests/baselines/reference/asyncImportedPromise_es6.types
index 05411f1dda588..a14db2cecd2c7 100644
--- a/tests/baselines/reference/asyncImportedPromise_es6.types
+++ b/tests/baselines/reference/asyncImportedPromise_es6.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/async/es6/task.ts ===
 export class Task<T> extends Promise<T> { }
 >Task : Task<T>
->Promise : Promise<T>
+>Promise : Promise<Awaited<T>>
 
 === tests/cases/conformance/async/es6/test.ts ===
 import { Task } from "./task";
diff --git a/tests/baselines/reference/asyncQualifiedReturnType_es5.types b/tests/baselines/reference/asyncQualifiedReturnType_es5.types
index 8df2ac42c50c9..27a4ea6f1a6cb 100644
--- a/tests/baselines/reference/asyncQualifiedReturnType_es5.types
+++ b/tests/baselines/reference/asyncQualifiedReturnType_es5.types
@@ -4,7 +4,7 @@ namespace X {
 
     export class MyPromise<T> extends Promise<T> {
 >MyPromise : MyPromise<T>
->Promise : Promise<T>
+>Promise : Promise<Awaited<T>>
     }
 }
 
diff --git a/tests/baselines/reference/asyncQualifiedReturnType_es6.types b/tests/baselines/reference/asyncQualifiedReturnType_es6.types
index f1878fed5d80f..1d6e546d48906 100644
--- a/tests/baselines/reference/asyncQualifiedReturnType_es6.types
+++ b/tests/baselines/reference/asyncQualifiedReturnType_es6.types
@@ -4,7 +4,7 @@ namespace X {
 
     export class MyPromise<T> extends Promise<T> {
 >MyPromise : MyPromise<T>
->Promise : Promise<T>
+>Promise : Promise<Awaited<T>>
     }
 }
 
diff --git a/tests/baselines/reference/compareTypeParameterConstrainedByLiteralToLiteral.errors.txt b/tests/baselines/reference/compareTypeParameterConstrainedByLiteralToLiteral.errors.txt
index aa8a0572e6be8..33c750d71b0a3 100644
--- a/tests/baselines/reference/compareTypeParameterConstrainedByLiteralToLiteral.errors.txt
+++ b/tests/baselines/reference/compareTypeParameterConstrainedByLiteralToLiteral.errors.txt
@@ -9,5 +9,6 @@ tests/cases/compiler/compareTypeParameterConstrainedByLiteralToLiteral.ts(5,5):
         t === "x";  // Should be error
         ~~~~~~~~~
 !!! error TS2367: This condition will always return 'false' since the types 'T' and '"x"' have no overlap.
+!!! related TS2773 tests/cases/compiler/compareTypeParameterConstrainedByLiteralToLiteral.ts:5:5: Did you forget to use 'await'?
     }
     
\ No newline at end of file
diff --git a/tests/baselines/reference/comparisonOperatorWithNoRelationshipTypeParameter.errors.txt b/tests/baselines/reference/comparisonOperatorWithNoRelationshipTypeParameter.errors.txt
index da497e03a2206..1c2cb3b1e6603 100644
--- a/tests/baselines/reference/comparisonOperatorWithNoRelationshipTypeParameter.errors.txt
+++ b/tests/baselines/reference/comparisonOperatorWithNoRelationshipTypeParameter.errors.txt
@@ -161,359 +161,471 @@ tests/cases/conformance/expressions/binaryOperators/comparisonOperator/compariso
         var r1a1 = t < a;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'boolean'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:22:16: Did you forget to use 'await'?
         var r1a2 = t < b;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'number'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:23:16: Did you forget to use 'await'?
         var r1a3 = t < c;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'string'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:24:16: Did you forget to use 'await'?
         var r1a4 = t < d;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'void'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:25:16: Did you forget to use 'await'?
         var r1a5 = t < e;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'E'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:26:16: Did you forget to use 'await'?
         var r1a6 = t < f;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and '{ a: string; }'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:27:16: Did you forget to use 'await'?
         var r1a7 = t < g;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'any[]'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:28:16: Did you forget to use 'await'?
     
         var r1b1 = a < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'boolean' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:30:16: Did you forget to use 'await'?
         var r1b2 = b < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'number' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:31:16: Did you forget to use 'await'?
         var r1b3 = c < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'string' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:32:16: Did you forget to use 'await'?
         var r1b4 = d < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'void' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:33:16: Did you forget to use 'await'?
         var r1b5 = e < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'E' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:34:16: Did you forget to use 'await'?
         var r1b6 = f < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types '{ a: string; }' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:35:16: Did you forget to use 'await'?
         var r1b7 = g < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'any[]' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:36:16: Did you forget to use 'await'?
     
         // operator >
         var r2a1 = t < a;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'boolean'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:39:16: Did you forget to use 'await'?
         var r2a2 = t < b;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'number'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:40:16: Did you forget to use 'await'?
         var r2a3 = t < c;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'string'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:41:16: Did you forget to use 'await'?
         var r2a4 = t < d;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'void'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:42:16: Did you forget to use 'await'?
         var r2a5 = t < e;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'E'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:43:16: Did you forget to use 'await'?
         var r2a6 = t < f;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and '{ a: string; }'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:44:16: Did you forget to use 'await'?
         var r2a7 = t < g;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'any[]'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:45:16: Did you forget to use 'await'?
     
         var r2b1 = a < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'boolean' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:47:16: Did you forget to use 'await'?
         var r2b2 = b < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'number' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:48:16: Did you forget to use 'await'?
         var r2b3 = c < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'string' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:49:16: Did you forget to use 'await'?
         var r2b4 = d < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'void' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:50:16: Did you forget to use 'await'?
         var r2b5 = e < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'E' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:51:16: Did you forget to use 'await'?
         var r2b6 = f < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types '{ a: string; }' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:52:16: Did you forget to use 'await'?
         var r2b7 = g < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'any[]' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:53:16: Did you forget to use 'await'?
     
         // operator <=
         var r3a1 = t < a;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'boolean'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:56:16: Did you forget to use 'await'?
         var r3a2 = t < b;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'number'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:57:16: Did you forget to use 'await'?
         var r3a3 = t < c;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'string'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:58:16: Did you forget to use 'await'?
         var r3a4 = t < d;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'void'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:59:16: Did you forget to use 'await'?
         var r3a5 = t < e;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'E'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:60:16: Did you forget to use 'await'?
         var r3a6 = t < f;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and '{ a: string; }'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:61:16: Did you forget to use 'await'?
         var r3a7 = t < g;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'any[]'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:62:16: Did you forget to use 'await'?
     
         var r3b1 = a < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'boolean' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:64:16: Did you forget to use 'await'?
         var r3b2 = b < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'number' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:65:16: Did you forget to use 'await'?
         var r3b3 = c < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'string' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:66:16: Did you forget to use 'await'?
         var r3b4 = d < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'void' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:67:16: Did you forget to use 'await'?
         var r3b5 = e < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'E' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:68:16: Did you forget to use 'await'?
         var r3b6 = f < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types '{ a: string; }' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:69:16: Did you forget to use 'await'?
         var r3b7 = g < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'any[]' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:70:16: Did you forget to use 'await'?
     
         // operator >=
         var r4a1 = t < a;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'boolean'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:73:16: Did you forget to use 'await'?
         var r4a2 = t < b;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'number'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:74:16: Did you forget to use 'await'?
         var r4a3 = t < c;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'string'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:75:16: Did you forget to use 'await'?
         var r4a4 = t < d;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'void'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:76:16: Did you forget to use 'await'?
         var r4a5 = t < e;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'E'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:77:16: Did you forget to use 'await'?
         var r4a6 = t < f;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and '{ a: string; }'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:78:16: Did you forget to use 'await'?
         var r4a7 = t < g;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'any[]'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:79:16: Did you forget to use 'await'?
     
         var r4b1 = a < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'boolean' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:81:16: Did you forget to use 'await'?
         var r4b2 = b < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'number' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:82:16: Did you forget to use 'await'?
         var r4b3 = c < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'string' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:83:16: Did you forget to use 'await'?
         var r4b4 = d < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'void' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:84:16: Did you forget to use 'await'?
         var r4b5 = e < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'E' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:85:16: Did you forget to use 'await'?
         var r4b6 = f < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types '{ a: string; }' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:86:16: Did you forget to use 'await'?
         var r4b7 = g < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'any[]' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:87:16: Did you forget to use 'await'?
     
         // operator ==
         var r5a1 = t < a;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'boolean'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:90:16: Did you forget to use 'await'?
         var r5a2 = t < b;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'number'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:91:16: Did you forget to use 'await'?
         var r5a3 = t < c;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'string'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:92:16: Did you forget to use 'await'?
         var r5a4 = t < d;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'void'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:93:16: Did you forget to use 'await'?
         var r5a5 = t < e;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'E'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:94:16: Did you forget to use 'await'?
         var r5a6 = t < f;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and '{ a: string; }'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:95:16: Did you forget to use 'await'?
         var r5a7 = t < g;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'any[]'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:96:16: Did you forget to use 'await'?
     
         var r5b1 = a < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'boolean' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:98:16: Did you forget to use 'await'?
         var r5b2 = b < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'number' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:99:16: Did you forget to use 'await'?
         var r5b3 = c < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'string' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:100:16: Did you forget to use 'await'?
         var r5b4 = d < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'void' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:101:16: Did you forget to use 'await'?
         var r5b5 = e < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'E' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:102:16: Did you forget to use 'await'?
         var r5b6 = f < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types '{ a: string; }' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:103:16: Did you forget to use 'await'?
         var r5b7 = g < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'any[]' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:104:16: Did you forget to use 'await'?
     
         // operator !=
         var r6a1 = t < a;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'boolean'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:107:16: Did you forget to use 'await'?
         var r6a2 = t < b;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'number'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:108:16: Did you forget to use 'await'?
         var r6a3 = t < c;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'string'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:109:16: Did you forget to use 'await'?
         var r6a4 = t < d;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'void'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:110:16: Did you forget to use 'await'?
         var r6a5 = t < e;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'E'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:111:16: Did you forget to use 'await'?
         var r6a6 = t < f;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and '{ a: string; }'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:112:16: Did you forget to use 'await'?
         var r6a7 = t < g;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'any[]'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:113:16: Did you forget to use 'await'?
     
         var r6b1 = a < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'boolean' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:115:16: Did you forget to use 'await'?
         var r6b2 = b < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'number' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:116:16: Did you forget to use 'await'?
         var r6b3 = c < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'string' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:117:16: Did you forget to use 'await'?
         var r6b4 = d < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'void' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:118:16: Did you forget to use 'await'?
         var r6b5 = e < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'E' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:119:16: Did you forget to use 'await'?
         var r6b6 = f < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types '{ a: string; }' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:120:16: Did you forget to use 'await'?
         var r6b7 = g < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'any[]' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:121:16: Did you forget to use 'await'?
     
         // operator ===
         var r7a1 = t < a;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'boolean'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:124:16: Did you forget to use 'await'?
         var r7a2 = t < b;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'number'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:125:16: Did you forget to use 'await'?
         var r7a3 = t < c;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'string'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:126:16: Did you forget to use 'await'?
         var r7a4 = t < d;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'void'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:127:16: Did you forget to use 'await'?
         var r7a5 = t < e;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'E'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:128:16: Did you forget to use 'await'?
         var r7a6 = t < f;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and '{ a: string; }'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:129:16: Did you forget to use 'await'?
         var r7a7 = t < g;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'any[]'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:130:16: Did you forget to use 'await'?
     
         var r7b1 = a < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'boolean' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:132:16: Did you forget to use 'await'?
         var r7b2 = b < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'number' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:133:16: Did you forget to use 'await'?
         var r7b3 = c < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'string' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:134:16: Did you forget to use 'await'?
         var r7b4 = d < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'void' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:135:16: Did you forget to use 'await'?
         var r7b5 = e < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'E' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:136:16: Did you forget to use 'await'?
         var r7b6 = f < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types '{ a: string; }' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:137:16: Did you forget to use 'await'?
         var r7b7 = g < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'any[]' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:138:16: Did you forget to use 'await'?
     
         // operator !==
         var r8a1 = t < a;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'boolean'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:141:16: Did you forget to use 'await'?
         var r8a2 = t < b;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'number'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:142:16: Did you forget to use 'await'?
         var r8a3 = t < c;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'string'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:143:16: Did you forget to use 'await'?
         var r8a4 = t < d;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'void'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:144:16: Did you forget to use 'await'?
         var r8a5 = t < e;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'E'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:145:16: Did you forget to use 'await'?
         var r8a6 = t < f;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and '{ a: string; }'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:146:16: Did you forget to use 'await'?
         var r8a7 = t < g;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'T' and 'any[]'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:147:16: Did you forget to use 'await'?
     
         var r8b1 = a < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'boolean' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:149:16: Did you forget to use 'await'?
         var r8b2 = b < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'number' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:150:16: Did you forget to use 'await'?
         var r8b3 = c < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'string' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:151:16: Did you forget to use 'await'?
         var r8b4 = d < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'void' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:152:16: Did you forget to use 'await'?
         var r8b5 = e < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'E' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:153:16: Did you forget to use 'await'?
         var r8b6 = f < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types '{ a: string; }' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:154:16: Did you forget to use 'await'?
         var r8b7 = g < t;
                    ~~~~~
 !!! error TS2365: Operator '<' cannot be applied to types 'any[]' and 'T'.
+!!! related TS2773 tests/cases/conformance/expressions/binaryOperators/comparisonOperator/comparisonOperatorWithNoRelationshipTypeParameter.ts:155:16: Did you forget to use 'await'?
     }
\ No newline at end of file
diff --git a/tests/baselines/reference/contextuallyTypeAsyncFunctionAwaitOperand.types b/tests/baselines/reference/contextuallyTypeAsyncFunctionAwaitOperand.types
index 377f7c15ae321..2b8f7e79fcbca 100644
--- a/tests/baselines/reference/contextuallyTypeAsyncFunctionAwaitOperand.types
+++ b/tests/baselines/reference/contextuallyTypeAsyncFunctionAwaitOperand.types
@@ -17,10 +17,10 @@ async function fn1(): Promise<Obj> {
 >await new Promise(resolve => resolve({ key: "value" })) : Obj
 >new Promise(resolve => resolve({ key: "value" })) : Promise<Obj>
 >Promise : PromiseConstructor
->resolve => resolve({ key: "value" }) : (resolve: (value?: Obj | PromiseLike<Obj>) => void) => void
->resolve : (value?: Obj | PromiseLike<Obj>) => void
+>resolve => resolve({ key: "value" }) : (resolve: (value?: Obj) => void) => void
+>resolve : (value?: Obj) => void
 >resolve({ key: "value" }) : void
->resolve : (value?: Obj | PromiseLike<Obj>) => void
+>resolve : (value?: Obj) => void
 >{ key: "value" } : { key: "value"; }
 >key : "value"
 >"value" : "value"
diff --git a/tests/baselines/reference/contextuallyTypeAsyncFunctionReturnType.types b/tests/baselines/reference/contextuallyTypeAsyncFunctionReturnType.types
index d47a623ffc6c3..f9462634dcec0 100644
--- a/tests/baselines/reference/contextuallyTypeAsyncFunctionReturnType.types
+++ b/tests/baselines/reference/contextuallyTypeAsyncFunctionReturnType.types
@@ -17,12 +17,12 @@ async function fn2(): Promise<Obj> {
     return new Promise(resolve => {
 >new Promise(resolve => {        resolve({ key: "value" });    }) : Promise<Obj>
 >Promise : PromiseConstructor
->resolve => {        resolve({ key: "value" });    } : (resolve: (value?: Obj | PromiseLike<Obj>) => void) => void
->resolve : (value?: Obj | PromiseLike<Obj>) => void
+>resolve => {        resolve({ key: "value" });    } : (resolve: (value?: Obj) => void) => void
+>resolve : (value?: Obj) => void
 
         resolve({ key: "value" });
 >resolve({ key: "value" }) : void
->resolve : (value?: Obj | PromiseLike<Obj>) => void
+>resolve : (value?: Obj) => void
 >{ key: "value" } : { key: "value"; }
 >key : "value"
 >"value" : "value"
@@ -47,12 +47,12 @@ async function fn4(): Promise<Obj> {
 >await new Promise(resolve => {        resolve({ key: "value" });    }) : Obj
 >new Promise(resolve => {        resolve({ key: "value" });    }) : Promise<Obj>
 >Promise : PromiseConstructor
->resolve => {        resolve({ key: "value" });    } : (resolve: (value?: Obj | PromiseLike<Obj>) => void) => void
->resolve : (value?: Obj | PromiseLike<Obj>) => void
+>resolve => {        resolve({ key: "value" });    } : (resolve: (value?: Obj) => void) => void
+>resolve : (value?: Obj) => void
 
         resolve({ key: "value" });
 >resolve({ key: "value" }) : void
->resolve : (value?: Obj | PromiseLike<Obj>) => void
+>resolve : (value?: Obj) => void
 >{ key: "value" } : { key: "value"; }
 >key : "value"
 >"value" : "value"
diff --git a/tests/baselines/reference/correctOrderOfPromiseMethod.js b/tests/baselines/reference/correctOrderOfPromiseMethod.js
index fadda95374f3e..81a91ba06fd81 100644
--- a/tests/baselines/reference/correctOrderOfPromiseMethod.js
+++ b/tests/baselines/reference/correctOrderOfPromiseMethod.js
@@ -15,7 +15,7 @@ async function countEverything(): Promise<number> {
     const [resultA, resultB] = await Promise.all([
         providerA(),
         providerB(),
-    ] as const);
+    ]);
 
     const dataA: A[] = resultA;
     const dataB: B[] = resultB;
@@ -24,6 +24,10 @@ async function countEverything(): Promise<number> {
     }
     return 0;
 }
+
+// #31179
+
+const expected: Promise<["a", "b", "c"]> = Promise.all(undefined as readonly ["a", "b", "c"]);
 
 
 //// [correctOrderOfPromiseMethod.js]
@@ -92,3 +96,5 @@ function countEverything() {
         });
     });
 }
+// #31179
+var expected = Promise.all(undefined);
diff --git a/tests/baselines/reference/correctOrderOfPromiseMethod.symbols b/tests/baselines/reference/correctOrderOfPromiseMethod.symbols
index 1e67e9444c67f..6efd2fdd69fc8 100644
--- a/tests/baselines/reference/correctOrderOfPromiseMethod.symbols
+++ b/tests/baselines/reference/correctOrderOfPromiseMethod.symbols
@@ -33,9 +33,9 @@ async function countEverything(): Promise<number> {
     const [resultA, resultB] = await Promise.all([
 >resultA : Symbol(resultA, Decl(correctOrderOfPromiseMethod.ts, 13, 11))
 >resultB : Symbol(resultB, Decl(correctOrderOfPromiseMethod.ts, 13, 19))
->Promise.all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --) ... and 6 more)
+>Promise.all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
->all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --) ... and 6 more)
+>all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
 
         providerA(),
 >providerA : Symbol(providerA, Decl(correctOrderOfPromiseMethod.ts, 10, 9))
@@ -43,7 +43,7 @@ async function countEverything(): Promise<number> {
         providerB(),
 >providerB : Symbol(providerB, Decl(correctOrderOfPromiseMethod.ts, 11, 9))
 
-    ] as const);
+    ]);
 
     const dataA: A[] = resultA;
 >dataA : Symbol(dataA, Decl(correctOrderOfPromiseMethod.ts, 18, 9))
@@ -70,3 +70,13 @@ async function countEverything(): Promise<number> {
     return 0;
 }
 
+// #31179
+
+const expected: Promise<["a", "b", "c"]> = Promise.all(undefined as readonly ["a", "b", "c"]);
+>expected : Symbol(expected, Decl(correctOrderOfPromiseMethod.ts, 28, 5))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>Promise.all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>undefined : Symbol(undefined)
+
diff --git a/tests/baselines/reference/correctOrderOfPromiseMethod.types b/tests/baselines/reference/correctOrderOfPromiseMethod.types
index a6f2c46782e0a..226858f0fe2ee 100644
--- a/tests/baselines/reference/correctOrderOfPromiseMethod.types
+++ b/tests/baselines/reference/correctOrderOfPromiseMethod.types
@@ -28,13 +28,12 @@ async function countEverything(): Promise<number> {
     const [resultA, resultB] = await Promise.all([
 >resultA : A[]
 >resultB : B[]
->await Promise.all([        providerA(),        providerB(),    ] as const) : [A[], B[]]
->Promise.all([        providerA(),        providerB(),    ] as const) : Promise<[A[], B[]]>
->Promise.all : { <TAll>(values: Iterable<TAll | PromiseLike<TAll>>): Promise<TAll[]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9]>; <T1, T2, T3, T4, T5, T6, T7, T8>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8]>; <T1, T2, T3, T4, T5, T6, T7>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[T1, T2, T3, T4, T5, T6, T7]>; <T1, T2, T3, T4, T5, T6>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[T1, T2, T3, T4, T5, T6]>; <T1, T2, T3, T4, T5>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>]): Promise<[T1, T2, T3, T4, T5]>; <T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>]): Promise<[T1, T2, T3, T4]>; <T1, T2, T3>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>]): Promise<[T1, T2, T3]>; <T1, T2>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>]): Promise<[T1, T2]>; <T>(values: readonly (T | PromiseLike<T>)[]): Promise<T[]>; }
+>await Promise.all([        providerA(),        providerB(),    ]) : [A[], B[]]
+>Promise.all([        providerA(),        providerB(),    ]) : Promise<[A[], B[]]>
+>Promise.all : { <TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
 >Promise : PromiseConstructor
->all : { <TAll>(values: Iterable<TAll | PromiseLike<TAll>>): Promise<TAll[]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9]>; <T1, T2, T3, T4, T5, T6, T7, T8>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8]>; <T1, T2, T3, T4, T5, T6, T7>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[T1, T2, T3, T4, T5, T6, T7]>; <T1, T2, T3, T4, T5, T6>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[T1, T2, T3, T4, T5, T6]>; <T1, T2, T3, T4, T5>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>]): Promise<[T1, T2, T3, T4, T5]>; <T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>]): Promise<[T1, T2, T3, T4]>; <T1, T2, T3>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>]): Promise<[T1, T2, T3]>; <T1, T2>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>]): Promise<[T1, T2]>; <T>(values: readonly (T | PromiseLike<T>)[]): Promise<T[]>; }
->[        providerA(),        providerB(),    ] as const : readonly [Promise<A[]>, Promise<B[]>]
->[        providerA(),        providerB(),    ] : readonly [Promise<A[]>, Promise<B[]>]
+>all : { <TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
+>[        providerA(),        providerB(),    ] : [Promise<A[]>, Promise<B[]>]
 
         providerA(),
 >providerA() : Promise<A[]>
@@ -44,7 +43,7 @@ async function countEverything(): Promise<number> {
 >providerB() : Promise<B[]>
 >providerB : () => Promise<B[]>
 
-    ] as const);
+    ]);
 
     const dataA: A[] = resultA;
 >dataA : A[]
@@ -72,3 +71,14 @@ async function countEverything(): Promise<number> {
 >0 : 0
 }
 
+// #31179
+
+const expected: Promise<["a", "b", "c"]> = Promise.all(undefined as readonly ["a", "b", "c"]);
+>expected : Promise<["a", "b", "c"]>
+>Promise.all(undefined as readonly ["a", "b", "c"]) : Promise<["a", "b", "c"]>
+>Promise.all : { <TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
+>Promise : PromiseConstructor
+>all : { <TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
+>undefined as readonly ["a", "b", "c"] : readonly ["a", "b", "c"]
+>undefined : undefined
+
diff --git a/tests/baselines/reference/docker/azure-sdk.log b/tests/baselines/reference/docker/azure-sdk.log
index 7eb6eb8da47d3..6ad8f94ff58ee 100644
--- a/tests/baselines/reference/docker/azure-sdk.log
+++ b/tests/baselines/reference/docker/azure-sdk.log
@@ -2,7 +2,7 @@ Exit Code: 1
 Standard output:
 
 Rush Multi-Project Build Tool 5.X.X - https://rushjs.io
-Node.js version is 12.14.0 (LTS)
+Node.js version is 12.14.1 (LTS)
 Starting "rush rebuild"
 Executing a maximum of ?simultaneous processes...
 XX of XX: [@azure/abort-controller] completed successfully in ? seconds
@@ -20,7 +20,7 @@ XX of XX: [@azure/event-processor-host] completed successfully in ? seconds
 XX of XX: [@azure/keyvault-keys] completed successfully in ? seconds
 XX of XX: [@azure/keyvault-secrets] completed successfully in ? seconds
 XX of XX: [@azure/storage-blob] completed successfully in ? seconds
-XX of XX: [@azure/cognitiveservices-textanalytics] completed successfully in ? seconds
+XX of XX: [@azure/ai-text-analytics] completed successfully in ? seconds
 XX of XX: [@azure/core-arm] completed successfully in ? seconds
 XX of XX: [@azure/core-tracing] completed successfully in ? seconds
 dist-esm/index.js → dist/index.js...
@@ -71,7 +71,7 @@ SUCCESS (23)
 @azure/keyvault-keys (? seconds)
 @azure/keyvault-secrets (? seconds)
 @azure/storage-blob (? seconds)
-@azure/cognitiveservices-textanalytics (? seconds)
+@azure/ai-text-analytics (? seconds)
 @azure/core-arm (? seconds)
 @azure/core-tracing (? seconds)
 @azure/service-bus (? seconds)
@@ -139,7 +139,7 @@ npm ERR! Failed at the @azure/keyvault-certificates@X.X.X extract-api script.
 npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
 npm ERR! A complete log of this run can be found in:
 npm ERR!     /root/.npm/_logs/XXXX-XX-XXXXXXXXX-debug.log
-@azure/storage-file-datalake (? seconds)
+@azure/storage-file-datalake ( ? seconds)
 npm ERR! code ELIFECYCLE
 npm ERR! errno 2
 npm ERR! @azure/storage-file-datalake@X.X.X-preview.7 build:es6: `tsc -p tsconfig.json`
diff --git a/tests/baselines/reference/docker/xterm.js.log b/tests/baselines/reference/docker/xterm.js.log
index 7fa6b68dfe85f..317a36de373af 100644
--- a/tests/baselines/reference/docker/xterm.js.log
+++ b/tests/baselines/reference/docker/xterm.js.log
@@ -5,14 +5,18 @@ Standard output:
 > tsc -b ./tsconfig.all.json
 node_modules/@types/ws/index.d.ts(44,39): error TS2694: Namespace '"url"' has no exported member 'URL'.
 node_modules/@types/ws/index.d.ts(45,39): error TS2694: Namespace '"url"' has no exported member 'URL'.
+test/api/TestUtils.ts(16,26): error TS2345: Argument of type 'Promise<void>' is not assignable to parameter of type 'void'.
 node_modules/@types/ws/index.d.ts(44,39): error TS2694: Namespace '"url"' has no exported member 'URL'.
 node_modules/@types/ws/index.d.ts(45,39): error TS2694: Namespace '"url"' has no exported member 'URL'.
+addons/xterm-addon-attach/src/AttachAddon.api.ts(76,26): error TS2345: Argument of type 'Promise<void>' is not assignable to parameter of type 'void'.
 node_modules/@types/ws/index.d.ts(44,39): error TS2694: Namespace '"url"' has no exported member 'URL'.
 node_modules/@types/ws/index.d.ts(45,39): error TS2694: Namespace '"url"' has no exported member 'URL'.
 node_modules/@types/ws/index.d.ts(44,39): error TS2694: Namespace '"url"' has no exported member 'URL'.
 node_modules/@types/ws/index.d.ts(45,39): error TS2694: Namespace '"url"' has no exported member 'URL'.
+addons/xterm-addon-web-links/src/WebLinksAddon.api.ts(98,26): error TS2345: Argument of type 'Promise<void>' is not assignable to parameter of type 'void'.
 node_modules/@types/ws/index.d.ts(44,39): error TS2694: Namespace '"url"' has no exported member 'URL'.
 node_modules/@types/ws/index.d.ts(45,39): error TS2694: Namespace '"url"' has no exported member 'URL'.
+addons/xterm-addon-webgl/src/WebglRenderer.api.ts(919,26): error TS2345: Argument of type 'Promise<void>' is not assignable to parameter of type 'void'.
 node_modules/@types/ws/index.d.ts(44,39): error TS2694: Namespace '"url"' has no exported member 'URL'.
 node_modules/@types/ws/index.d.ts(45,39): error TS2694: Namespace '"url"' has no exported member 'URL'.
 
diff --git a/tests/baselines/reference/exportAsNamespace1_amd.errors.txt b/tests/baselines/reference/exportAsNamespace1_amd.errors.txt
deleted file mode 100644
index 90b3756336ae0..0000000000000
--- a/tests/baselines/reference/exportAsNamespace1_amd.errors.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-tests/cases/conformance/es2020/modules/1.ts(2,1): error TS2304: Cannot find name 'ns'.
-tests/cases/conformance/es2020/modules/1.ts(3,1): error TS2304: Cannot find name 'ns'.
-
-
-==== tests/cases/conformance/es2020/modules/0.ts (0 errors) ====
-    export const a = 1;
-    export const b = 2;
-    
-==== tests/cases/conformance/es2020/modules/1.ts (2 errors) ====
-    export * as ns from './0';
-    ns.a;
-    ~~
-!!! error TS2304: Cannot find name 'ns'.
-    ns.b;
-    ~~
-!!! error TS2304: Cannot find name 'ns'.
-    
-==== tests/cases/conformance/es2020/modules/2.ts (0 errors) ====
-    import * as foo from './1'
-    
-    foo.ns.a;
-    foo.ns.b;
\ No newline at end of file
diff --git a/tests/baselines/reference/exportAsNamespace1_amd.js b/tests/baselines/reference/exportAsNamespace1_amd.js
deleted file mode 100644
index 240bf93cdc9dc..0000000000000
--- a/tests/baselines/reference/exportAsNamespace1_amd.js
+++ /dev/null
@@ -1,48 +0,0 @@
-//// [tests/cases/conformance/es2020/modules/exportAsNamespace1_amd.ts] ////
-
-//// [0.ts]
-export const a = 1;
-export const b = 2;
-
-//// [1.ts]
-export * as ns from './0';
-ns.a;
-ns.b;
-
-//// [2.ts]
-import * as foo from './1'
-
-foo.ns.a;
-foo.ns.b;
-
-//// [0.js]
-define(["require", "exports"], function (require, exports) {
-    "use strict";
-    exports.__esModule = true;
-    exports.a = 1;
-    exports.b = 2;
-});
-//// [1.js]
-define(["require", "exports", "./0"], function (require, exports, ns) {
-    "use strict";
-    exports.__esModule = true;
-    exports.ns = ns;
-    ns.a;
-    ns.b;
-});
-//// [2.js]
-define(["require", "exports", "./1"], function (require, exports, foo) {
-    "use strict";
-    exports.__esModule = true;
-    foo.ns.a;
-    foo.ns.b;
-});
-
-
-//// [0.d.ts]
-export declare const a = 1;
-export declare const b = 2;
-//// [1.d.ts]
-export * as ns from './0';
-//// [2.d.ts]
-export {};
diff --git a/tests/baselines/reference/exportAsNamespace1_amd.symbols b/tests/baselines/reference/exportAsNamespace1_amd.symbols
deleted file mode 100644
index 3c6b7529361ba..0000000000000
--- a/tests/baselines/reference/exportAsNamespace1_amd.symbols
+++ /dev/null
@@ -1,32 +0,0 @@
-=== tests/cases/conformance/es2020/modules/0.ts ===
-export const a = 1;
->a : Symbol(a, Decl(0.ts, 0, 12))
-
-export const b = 2;
->b : Symbol(b, Decl(0.ts, 1, 12))
-
-=== tests/cases/conformance/es2020/modules/1.ts ===
-export * as ns from './0';
->ns : Symbol(ns, Decl(1.ts, 0, 11))
-
-ns.a;
-ns.b;
-
-=== tests/cases/conformance/es2020/modules/2.ts ===
-import * as foo from './1'
->foo : Symbol(foo, Decl(2.ts, 0, 6))
-
-foo.ns.a;
->foo.ns.a : Symbol(foo.ns.a, Decl(0.ts, 0, 12))
->foo.ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->foo : Symbol(foo, Decl(2.ts, 0, 6))
->ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->a : Symbol(foo.ns.a, Decl(0.ts, 0, 12))
-
-foo.ns.b;
->foo.ns.b : Symbol(foo.ns.b, Decl(0.ts, 1, 12))
->foo.ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->foo : Symbol(foo, Decl(2.ts, 0, 6))
->ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->b : Symbol(foo.ns.b, Decl(0.ts, 1, 12))
-
diff --git a/tests/baselines/reference/exportAsNamespace1_amd.types b/tests/baselines/reference/exportAsNamespace1_amd.types
deleted file mode 100644
index 43e33efa82b30..0000000000000
--- a/tests/baselines/reference/exportAsNamespace1_amd.types
+++ /dev/null
@@ -1,41 +0,0 @@
-=== tests/cases/conformance/es2020/modules/0.ts ===
-export const a = 1;
->a : 1
->1 : 1
-
-export const b = 2;
->b : 2
->2 : 2
-
-=== tests/cases/conformance/es2020/modules/1.ts ===
-export * as ns from './0';
->ns : typeof ns
-
-ns.a;
->ns.a : any
->ns : any
->a : any
-
-ns.b;
->ns.b : any
->ns : any
->b : any
-
-=== tests/cases/conformance/es2020/modules/2.ts ===
-import * as foo from './1'
->foo : typeof foo
-
-foo.ns.a;
->foo.ns.a : 1
->foo.ns : typeof foo.ns
->foo : typeof foo
->ns : typeof foo.ns
->a : 1
-
-foo.ns.b;
->foo.ns.b : 2
->foo.ns : typeof foo.ns
->foo : typeof foo
->ns : typeof foo.ns
->b : 2
-
diff --git a/tests/baselines/reference/exportAsNamespace1_esnext.errors.txt b/tests/baselines/reference/exportAsNamespace1_esnext.errors.txt
deleted file mode 100644
index 90b3756336ae0..0000000000000
--- a/tests/baselines/reference/exportAsNamespace1_esnext.errors.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-tests/cases/conformance/es2020/modules/1.ts(2,1): error TS2304: Cannot find name 'ns'.
-tests/cases/conformance/es2020/modules/1.ts(3,1): error TS2304: Cannot find name 'ns'.
-
-
-==== tests/cases/conformance/es2020/modules/0.ts (0 errors) ====
-    export const a = 1;
-    export const b = 2;
-    
-==== tests/cases/conformance/es2020/modules/1.ts (2 errors) ====
-    export * as ns from './0';
-    ns.a;
-    ~~
-!!! error TS2304: Cannot find name 'ns'.
-    ns.b;
-    ~~
-!!! error TS2304: Cannot find name 'ns'.
-    
-==== tests/cases/conformance/es2020/modules/2.ts (0 errors) ====
-    import * as foo from './1'
-    
-    foo.ns.a;
-    foo.ns.b;
\ No newline at end of file
diff --git a/tests/baselines/reference/exportAsNamespace1_esnext.js b/tests/baselines/reference/exportAsNamespace1_esnext.js
deleted file mode 100644
index e662998bb926f..0000000000000
--- a/tests/baselines/reference/exportAsNamespace1_esnext.js
+++ /dev/null
@@ -1,37 +0,0 @@
-//// [tests/cases/conformance/es2020/modules/exportAsNamespace1_esnext.ts] ////
-
-//// [0.ts]
-export const a = 1;
-export const b = 2;
-
-//// [1.ts]
-export * as ns from './0';
-ns.a;
-ns.b;
-
-//// [2.ts]
-import * as foo from './1'
-
-foo.ns.a;
-foo.ns.b;
-
-//// [0.js]
-export var a = 1;
-export var b = 2;
-//// [1.js]
-export * as ns from './0';
-ns.a;
-ns.b;
-//// [2.js]
-import * as foo from './1';
-foo.ns.a;
-foo.ns.b;
-
-
-//// [0.d.ts]
-export declare const a = 1;
-export declare const b = 2;
-//// [1.d.ts]
-export * as ns from './0';
-//// [2.d.ts]
-export {};
diff --git a/tests/baselines/reference/exportAsNamespace1_esnext.symbols b/tests/baselines/reference/exportAsNamespace1_esnext.symbols
deleted file mode 100644
index 3c6b7529361ba..0000000000000
--- a/tests/baselines/reference/exportAsNamespace1_esnext.symbols
+++ /dev/null
@@ -1,32 +0,0 @@
-=== tests/cases/conformance/es2020/modules/0.ts ===
-export const a = 1;
->a : Symbol(a, Decl(0.ts, 0, 12))
-
-export const b = 2;
->b : Symbol(b, Decl(0.ts, 1, 12))
-
-=== tests/cases/conformance/es2020/modules/1.ts ===
-export * as ns from './0';
->ns : Symbol(ns, Decl(1.ts, 0, 11))
-
-ns.a;
-ns.b;
-
-=== tests/cases/conformance/es2020/modules/2.ts ===
-import * as foo from './1'
->foo : Symbol(foo, Decl(2.ts, 0, 6))
-
-foo.ns.a;
->foo.ns.a : Symbol(foo.ns.a, Decl(0.ts, 0, 12))
->foo.ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->foo : Symbol(foo, Decl(2.ts, 0, 6))
->ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->a : Symbol(foo.ns.a, Decl(0.ts, 0, 12))
-
-foo.ns.b;
->foo.ns.b : Symbol(foo.ns.b, Decl(0.ts, 1, 12))
->foo.ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->foo : Symbol(foo, Decl(2.ts, 0, 6))
->ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->b : Symbol(foo.ns.b, Decl(0.ts, 1, 12))
-
diff --git a/tests/baselines/reference/exportAsNamespace1_esnext.types b/tests/baselines/reference/exportAsNamespace1_esnext.types
deleted file mode 100644
index 43e33efa82b30..0000000000000
--- a/tests/baselines/reference/exportAsNamespace1_esnext.types
+++ /dev/null
@@ -1,41 +0,0 @@
-=== tests/cases/conformance/es2020/modules/0.ts ===
-export const a = 1;
->a : 1
->1 : 1
-
-export const b = 2;
->b : 2
->2 : 2
-
-=== tests/cases/conformance/es2020/modules/1.ts ===
-export * as ns from './0';
->ns : typeof ns
-
-ns.a;
->ns.a : any
->ns : any
->a : any
-
-ns.b;
->ns.b : any
->ns : any
->b : any
-
-=== tests/cases/conformance/es2020/modules/2.ts ===
-import * as foo from './1'
->foo : typeof foo
-
-foo.ns.a;
->foo.ns.a : 1
->foo.ns : typeof foo.ns
->foo : typeof foo
->ns : typeof foo.ns
->a : 1
-
-foo.ns.b;
->foo.ns.b : 2
->foo.ns : typeof foo.ns
->foo : typeof foo
->ns : typeof foo.ns
->b : 2
-
diff --git a/tests/baselines/reference/exportAsNamespace1_system.errors.txt b/tests/baselines/reference/exportAsNamespace1_system.errors.txt
deleted file mode 100644
index 90b3756336ae0..0000000000000
--- a/tests/baselines/reference/exportAsNamespace1_system.errors.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-tests/cases/conformance/es2020/modules/1.ts(2,1): error TS2304: Cannot find name 'ns'.
-tests/cases/conformance/es2020/modules/1.ts(3,1): error TS2304: Cannot find name 'ns'.
-
-
-==== tests/cases/conformance/es2020/modules/0.ts (0 errors) ====
-    export const a = 1;
-    export const b = 2;
-    
-==== tests/cases/conformance/es2020/modules/1.ts (2 errors) ====
-    export * as ns from './0';
-    ns.a;
-    ~~
-!!! error TS2304: Cannot find name 'ns'.
-    ns.b;
-    ~~
-!!! error TS2304: Cannot find name 'ns'.
-    
-==== tests/cases/conformance/es2020/modules/2.ts (0 errors) ====
-    import * as foo from './1'
-    
-    foo.ns.a;
-    foo.ns.b;
\ No newline at end of file
diff --git a/tests/baselines/reference/exportAsNamespace1_system.js b/tests/baselines/reference/exportAsNamespace1_system.js
deleted file mode 100644
index f326d4ad7fc20..0000000000000
--- a/tests/baselines/reference/exportAsNamespace1_system.js
+++ /dev/null
@@ -1,72 +0,0 @@
-//// [tests/cases/conformance/es2020/modules/exportAsNamespace1_system.ts] ////
-
-//// [0.ts]
-export const a = 1;
-export const b = 2;
-
-//// [1.ts]
-export * as ns from './0';
-ns.a;
-ns.b;
-
-//// [2.ts]
-import * as foo from './1'
-
-foo.ns.a;
-foo.ns.b;
-
-//// [0.js]
-System.register([], function (exports_1, context_1) {
-    "use strict";
-    var a, b;
-    var __moduleName = context_1 && context_1.id;
-    return {
-        setters: [],
-        execute: function () {
-            exports_1("a", a = 1);
-            exports_1("b", b = 2);
-        }
-    };
-});
-//// [1.js]
-System.register(["./0"], function (exports_1, context_1) {
-    "use strict";
-    var __moduleName = context_1 && context_1.id;
-    return {
-        setters: [
-            function (ns_1) {
-                exports_1("ns", ns_1);
-            }
-        ],
-        execute: function () {
-            ns.a;
-            ns.b;
-        }
-    };
-});
-//// [2.js]
-System.register(["./1"], function (exports_1, context_1) {
-    "use strict";
-    var foo;
-    var __moduleName = context_1 && context_1.id;
-    return {
-        setters: [
-            function (foo_1) {
-                foo = foo_1;
-            }
-        ],
-        execute: function () {
-            foo.ns.a;
-            foo.ns.b;
-        }
-    };
-});
-
-
-//// [0.d.ts]
-export declare const a = 1;
-export declare const b = 2;
-//// [1.d.ts]
-export * as ns from './0';
-//// [2.d.ts]
-export {};
diff --git a/tests/baselines/reference/exportAsNamespace1_system.symbols b/tests/baselines/reference/exportAsNamespace1_system.symbols
deleted file mode 100644
index 3c6b7529361ba..0000000000000
--- a/tests/baselines/reference/exportAsNamespace1_system.symbols
+++ /dev/null
@@ -1,32 +0,0 @@
-=== tests/cases/conformance/es2020/modules/0.ts ===
-export const a = 1;
->a : Symbol(a, Decl(0.ts, 0, 12))
-
-export const b = 2;
->b : Symbol(b, Decl(0.ts, 1, 12))
-
-=== tests/cases/conformance/es2020/modules/1.ts ===
-export * as ns from './0';
->ns : Symbol(ns, Decl(1.ts, 0, 11))
-
-ns.a;
-ns.b;
-
-=== tests/cases/conformance/es2020/modules/2.ts ===
-import * as foo from './1'
->foo : Symbol(foo, Decl(2.ts, 0, 6))
-
-foo.ns.a;
->foo.ns.a : Symbol(foo.ns.a, Decl(0.ts, 0, 12))
->foo.ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->foo : Symbol(foo, Decl(2.ts, 0, 6))
->ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->a : Symbol(foo.ns.a, Decl(0.ts, 0, 12))
-
-foo.ns.b;
->foo.ns.b : Symbol(foo.ns.b, Decl(0.ts, 1, 12))
->foo.ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->foo : Symbol(foo, Decl(2.ts, 0, 6))
->ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->b : Symbol(foo.ns.b, Decl(0.ts, 1, 12))
-
diff --git a/tests/baselines/reference/exportAsNamespace1_system.types b/tests/baselines/reference/exportAsNamespace1_system.types
deleted file mode 100644
index 43e33efa82b30..0000000000000
--- a/tests/baselines/reference/exportAsNamespace1_system.types
+++ /dev/null
@@ -1,41 +0,0 @@
-=== tests/cases/conformance/es2020/modules/0.ts ===
-export const a = 1;
->a : 1
->1 : 1
-
-export const b = 2;
->b : 2
->2 : 2
-
-=== tests/cases/conformance/es2020/modules/1.ts ===
-export * as ns from './0';
->ns : typeof ns
-
-ns.a;
->ns.a : any
->ns : any
->a : any
-
-ns.b;
->ns.b : any
->ns : any
->b : any
-
-=== tests/cases/conformance/es2020/modules/2.ts ===
-import * as foo from './1'
->foo : typeof foo
-
-foo.ns.a;
->foo.ns.a : 1
->foo.ns : typeof foo.ns
->foo : typeof foo
->ns : typeof foo.ns
->a : 1
-
-foo.ns.b;
->foo.ns.b : 2
->foo.ns : typeof foo.ns
->foo : typeof foo
->ns : typeof foo.ns
->b : 2
-
diff --git a/tests/baselines/reference/exportAsNamespace1_umd.errors.txt b/tests/baselines/reference/exportAsNamespace1_umd.errors.txt
deleted file mode 100644
index 90b3756336ae0..0000000000000
--- a/tests/baselines/reference/exportAsNamespace1_umd.errors.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-tests/cases/conformance/es2020/modules/1.ts(2,1): error TS2304: Cannot find name 'ns'.
-tests/cases/conformance/es2020/modules/1.ts(3,1): error TS2304: Cannot find name 'ns'.
-
-
-==== tests/cases/conformance/es2020/modules/0.ts (0 errors) ====
-    export const a = 1;
-    export const b = 2;
-    
-==== tests/cases/conformance/es2020/modules/1.ts (2 errors) ====
-    export * as ns from './0';
-    ns.a;
-    ~~
-!!! error TS2304: Cannot find name 'ns'.
-    ns.b;
-    ~~
-!!! error TS2304: Cannot find name 'ns'.
-    
-==== tests/cases/conformance/es2020/modules/2.ts (0 errors) ====
-    import * as foo from './1'
-    
-    foo.ns.a;
-    foo.ns.b;
\ No newline at end of file
diff --git a/tests/baselines/reference/exportAsNamespace1_umd.js b/tests/baselines/reference/exportAsNamespace1_umd.js
deleted file mode 100644
index 35d797c66b79a..0000000000000
--- a/tests/baselines/reference/exportAsNamespace1_umd.js
+++ /dev/null
@@ -1,73 +0,0 @@
-//// [tests/cases/conformance/es2020/modules/exportAsNamespace1_umd.ts] ////
-
-//// [0.ts]
-export const a = 1;
-export const b = 2;
-
-//// [1.ts]
-export * as ns from './0';
-ns.a;
-ns.b;
-
-//// [2.ts]
-import * as foo from './1'
-
-foo.ns.a;
-foo.ns.b;
-
-//// [0.js]
-(function (factory) {
-    if (typeof module === "object" && typeof module.exports === "object") {
-        var v = factory(require, exports);
-        if (v !== undefined) module.exports = v;
-    }
-    else if (typeof define === "function" && define.amd) {
-        define(["require", "exports"], factory);
-    }
-})(function (require, exports) {
-    "use strict";
-    exports.__esModule = true;
-    exports.a = 1;
-    exports.b = 2;
-});
-//// [1.js]
-(function (factory) {
-    if (typeof module === "object" && typeof module.exports === "object") {
-        var v = factory(require, exports);
-        if (v !== undefined) module.exports = v;
-    }
-    else if (typeof define === "function" && define.amd) {
-        define(["require", "exports", "./0"], factory);
-    }
-})(function (require, exports) {
-    "use strict";
-    exports.__esModule = true;
-    exports.ns = require("./0");
-    ns.a;
-    ns.b;
-});
-//// [2.js]
-(function (factory) {
-    if (typeof module === "object" && typeof module.exports === "object") {
-        var v = factory(require, exports);
-        if (v !== undefined) module.exports = v;
-    }
-    else if (typeof define === "function" && define.amd) {
-        define(["require", "exports", "./1"], factory);
-    }
-})(function (require, exports) {
-    "use strict";
-    exports.__esModule = true;
-    var foo = require("./1");
-    foo.ns.a;
-    foo.ns.b;
-});
-
-
-//// [0.d.ts]
-export declare const a = 1;
-export declare const b = 2;
-//// [1.d.ts]
-export * as ns from './0';
-//// [2.d.ts]
-export {};
diff --git a/tests/baselines/reference/exportAsNamespace1_umd.symbols b/tests/baselines/reference/exportAsNamespace1_umd.symbols
deleted file mode 100644
index 3c6b7529361ba..0000000000000
--- a/tests/baselines/reference/exportAsNamespace1_umd.symbols
+++ /dev/null
@@ -1,32 +0,0 @@
-=== tests/cases/conformance/es2020/modules/0.ts ===
-export const a = 1;
->a : Symbol(a, Decl(0.ts, 0, 12))
-
-export const b = 2;
->b : Symbol(b, Decl(0.ts, 1, 12))
-
-=== tests/cases/conformance/es2020/modules/1.ts ===
-export * as ns from './0';
->ns : Symbol(ns, Decl(1.ts, 0, 11))
-
-ns.a;
-ns.b;
-
-=== tests/cases/conformance/es2020/modules/2.ts ===
-import * as foo from './1'
->foo : Symbol(foo, Decl(2.ts, 0, 6))
-
-foo.ns.a;
->foo.ns.a : Symbol(foo.ns.a, Decl(0.ts, 0, 12))
->foo.ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->foo : Symbol(foo, Decl(2.ts, 0, 6))
->ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->a : Symbol(foo.ns.a, Decl(0.ts, 0, 12))
-
-foo.ns.b;
->foo.ns.b : Symbol(foo.ns.b, Decl(0.ts, 1, 12))
->foo.ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->foo : Symbol(foo, Decl(2.ts, 0, 6))
->ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->b : Symbol(foo.ns.b, Decl(0.ts, 1, 12))
-
diff --git a/tests/baselines/reference/exportAsNamespace1_umd.types b/tests/baselines/reference/exportAsNamespace1_umd.types
deleted file mode 100644
index 43e33efa82b30..0000000000000
--- a/tests/baselines/reference/exportAsNamespace1_umd.types
+++ /dev/null
@@ -1,41 +0,0 @@
-=== tests/cases/conformance/es2020/modules/0.ts ===
-export const a = 1;
->a : 1
->1 : 1
-
-export const b = 2;
->b : 2
->2 : 2
-
-=== tests/cases/conformance/es2020/modules/1.ts ===
-export * as ns from './0';
->ns : typeof ns
-
-ns.a;
->ns.a : any
->ns : any
->a : any
-
-ns.b;
->ns.b : any
->ns : any
->b : any
-
-=== tests/cases/conformance/es2020/modules/2.ts ===
-import * as foo from './1'
->foo : typeof foo
-
-foo.ns.a;
->foo.ns.a : 1
->foo.ns : typeof foo.ns
->foo : typeof foo
->ns : typeof foo.ns
->a : 1
-
-foo.ns.b;
->foo.ns.b : 2
->foo.ns : typeof foo.ns
->foo : typeof foo
->ns : typeof foo.ns
->b : 2
-
diff --git a/tests/baselines/reference/exportAsNamespace2_amd.errors.txt b/tests/baselines/reference/exportAsNamespace2_amd.errors.txt
deleted file mode 100644
index 90b3756336ae0..0000000000000
--- a/tests/baselines/reference/exportAsNamespace2_amd.errors.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-tests/cases/conformance/es2020/modules/1.ts(2,1): error TS2304: Cannot find name 'ns'.
-tests/cases/conformance/es2020/modules/1.ts(3,1): error TS2304: Cannot find name 'ns'.
-
-
-==== tests/cases/conformance/es2020/modules/0.ts (0 errors) ====
-    export const a = 1;
-    export const b = 2;
-    
-==== tests/cases/conformance/es2020/modules/1.ts (2 errors) ====
-    export * as ns from './0';
-    ns.a;
-    ~~
-!!! error TS2304: Cannot find name 'ns'.
-    ns.b;
-    ~~
-!!! error TS2304: Cannot find name 'ns'.
-    
-==== tests/cases/conformance/es2020/modules/2.ts (0 errors) ====
-    import * as foo from './1'
-    
-    foo.ns.a;
-    foo.ns.b;
\ No newline at end of file
diff --git a/tests/baselines/reference/exportAsNamespace2_amd.js b/tests/baselines/reference/exportAsNamespace2_amd.js
deleted file mode 100644
index 9bb659b380087..0000000000000
--- a/tests/baselines/reference/exportAsNamespace2_amd.js
+++ /dev/null
@@ -1,56 +0,0 @@
-//// [tests/cases/conformance/es2020/modules/exportAsNamespace2_amd.ts] ////
-
-//// [0.ts]
-export const a = 1;
-export const b = 2;
-
-//// [1.ts]
-export * as ns from './0';
-ns.a;
-ns.b;
-
-//// [2.ts]
-import * as foo from './1'
-
-foo.ns.a;
-foo.ns.b;
-
-//// [0.js]
-define(["require", "exports"], function (require, exports) {
-    "use strict";
-    exports.__esModule = true;
-    exports.a = 1;
-    exports.b = 2;
-});
-//// [1.js]
-define(["require", "exports", "./0"], function (require, exports, ns) {
-    "use strict";
-    exports.__esModule = true;
-    exports.ns = ns;
-    ns.a;
-    ns.b;
-});
-//// [2.js]
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
-    result["default"] = mod;
-    return result;
-};
-define(["require", "exports", "./1"], function (require, exports, foo) {
-    "use strict";
-    exports.__esModule = true;
-    foo = __importStar(foo);
-    foo.ns.a;
-    foo.ns.b;
-});
-
-
-//// [0.d.ts]
-export declare const a = 1;
-export declare const b = 2;
-//// [1.d.ts]
-export * as ns from './0';
-//// [2.d.ts]
-export {};
diff --git a/tests/baselines/reference/exportAsNamespace2_amd.symbols b/tests/baselines/reference/exportAsNamespace2_amd.symbols
deleted file mode 100644
index 3c6b7529361ba..0000000000000
--- a/tests/baselines/reference/exportAsNamespace2_amd.symbols
+++ /dev/null
@@ -1,32 +0,0 @@
-=== tests/cases/conformance/es2020/modules/0.ts ===
-export const a = 1;
->a : Symbol(a, Decl(0.ts, 0, 12))
-
-export const b = 2;
->b : Symbol(b, Decl(0.ts, 1, 12))
-
-=== tests/cases/conformance/es2020/modules/1.ts ===
-export * as ns from './0';
->ns : Symbol(ns, Decl(1.ts, 0, 11))
-
-ns.a;
-ns.b;
-
-=== tests/cases/conformance/es2020/modules/2.ts ===
-import * as foo from './1'
->foo : Symbol(foo, Decl(2.ts, 0, 6))
-
-foo.ns.a;
->foo.ns.a : Symbol(foo.ns.a, Decl(0.ts, 0, 12))
->foo.ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->foo : Symbol(foo, Decl(2.ts, 0, 6))
->ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->a : Symbol(foo.ns.a, Decl(0.ts, 0, 12))
-
-foo.ns.b;
->foo.ns.b : Symbol(foo.ns.b, Decl(0.ts, 1, 12))
->foo.ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->foo : Symbol(foo, Decl(2.ts, 0, 6))
->ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->b : Symbol(foo.ns.b, Decl(0.ts, 1, 12))
-
diff --git a/tests/baselines/reference/exportAsNamespace2_amd.types b/tests/baselines/reference/exportAsNamespace2_amd.types
deleted file mode 100644
index 43e33efa82b30..0000000000000
--- a/tests/baselines/reference/exportAsNamespace2_amd.types
+++ /dev/null
@@ -1,41 +0,0 @@
-=== tests/cases/conformance/es2020/modules/0.ts ===
-export const a = 1;
->a : 1
->1 : 1
-
-export const b = 2;
->b : 2
->2 : 2
-
-=== tests/cases/conformance/es2020/modules/1.ts ===
-export * as ns from './0';
->ns : typeof ns
-
-ns.a;
->ns.a : any
->ns : any
->a : any
-
-ns.b;
->ns.b : any
->ns : any
->b : any
-
-=== tests/cases/conformance/es2020/modules/2.ts ===
-import * as foo from './1'
->foo : typeof foo
-
-foo.ns.a;
->foo.ns.a : 1
->foo.ns : typeof foo.ns
->foo : typeof foo
->ns : typeof foo.ns
->a : 1
-
-foo.ns.b;
->foo.ns.b : 2
->foo.ns : typeof foo.ns
->foo : typeof foo
->ns : typeof foo.ns
->b : 2
-
diff --git a/tests/baselines/reference/exportAsNamespace2_esnext.errors.txt b/tests/baselines/reference/exportAsNamespace2_esnext.errors.txt
deleted file mode 100644
index 90b3756336ae0..0000000000000
--- a/tests/baselines/reference/exportAsNamespace2_esnext.errors.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-tests/cases/conformance/es2020/modules/1.ts(2,1): error TS2304: Cannot find name 'ns'.
-tests/cases/conformance/es2020/modules/1.ts(3,1): error TS2304: Cannot find name 'ns'.
-
-
-==== tests/cases/conformance/es2020/modules/0.ts (0 errors) ====
-    export const a = 1;
-    export const b = 2;
-    
-==== tests/cases/conformance/es2020/modules/1.ts (2 errors) ====
-    export * as ns from './0';
-    ns.a;
-    ~~
-!!! error TS2304: Cannot find name 'ns'.
-    ns.b;
-    ~~
-!!! error TS2304: Cannot find name 'ns'.
-    
-==== tests/cases/conformance/es2020/modules/2.ts (0 errors) ====
-    import * as foo from './1'
-    
-    foo.ns.a;
-    foo.ns.b;
\ No newline at end of file
diff --git a/tests/baselines/reference/exportAsNamespace2_esnext.symbols b/tests/baselines/reference/exportAsNamespace2_esnext.symbols
deleted file mode 100644
index 3c6b7529361ba..0000000000000
--- a/tests/baselines/reference/exportAsNamespace2_esnext.symbols
+++ /dev/null
@@ -1,32 +0,0 @@
-=== tests/cases/conformance/es2020/modules/0.ts ===
-export const a = 1;
->a : Symbol(a, Decl(0.ts, 0, 12))
-
-export const b = 2;
->b : Symbol(b, Decl(0.ts, 1, 12))
-
-=== tests/cases/conformance/es2020/modules/1.ts ===
-export * as ns from './0';
->ns : Symbol(ns, Decl(1.ts, 0, 11))
-
-ns.a;
-ns.b;
-
-=== tests/cases/conformance/es2020/modules/2.ts ===
-import * as foo from './1'
->foo : Symbol(foo, Decl(2.ts, 0, 6))
-
-foo.ns.a;
->foo.ns.a : Symbol(foo.ns.a, Decl(0.ts, 0, 12))
->foo.ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->foo : Symbol(foo, Decl(2.ts, 0, 6))
->ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->a : Symbol(foo.ns.a, Decl(0.ts, 0, 12))
-
-foo.ns.b;
->foo.ns.b : Symbol(foo.ns.b, Decl(0.ts, 1, 12))
->foo.ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->foo : Symbol(foo, Decl(2.ts, 0, 6))
->ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->b : Symbol(foo.ns.b, Decl(0.ts, 1, 12))
-
diff --git a/tests/baselines/reference/exportAsNamespace2_esnext.types b/tests/baselines/reference/exportAsNamespace2_esnext.types
deleted file mode 100644
index 43e33efa82b30..0000000000000
--- a/tests/baselines/reference/exportAsNamespace2_esnext.types
+++ /dev/null
@@ -1,41 +0,0 @@
-=== tests/cases/conformance/es2020/modules/0.ts ===
-export const a = 1;
->a : 1
->1 : 1
-
-export const b = 2;
->b : 2
->2 : 2
-
-=== tests/cases/conformance/es2020/modules/1.ts ===
-export * as ns from './0';
->ns : typeof ns
-
-ns.a;
->ns.a : any
->ns : any
->a : any
-
-ns.b;
->ns.b : any
->ns : any
->b : any
-
-=== tests/cases/conformance/es2020/modules/2.ts ===
-import * as foo from './1'
->foo : typeof foo
-
-foo.ns.a;
->foo.ns.a : 1
->foo.ns : typeof foo.ns
->foo : typeof foo
->ns : typeof foo.ns
->a : 1
-
-foo.ns.b;
->foo.ns.b : 2
->foo.ns : typeof foo.ns
->foo : typeof foo
->ns : typeof foo.ns
->b : 2
-
diff --git a/tests/baselines/reference/exportAsNamespace2_system.errors.txt b/tests/baselines/reference/exportAsNamespace2_system.errors.txt
deleted file mode 100644
index 90b3756336ae0..0000000000000
--- a/tests/baselines/reference/exportAsNamespace2_system.errors.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-tests/cases/conformance/es2020/modules/1.ts(2,1): error TS2304: Cannot find name 'ns'.
-tests/cases/conformance/es2020/modules/1.ts(3,1): error TS2304: Cannot find name 'ns'.
-
-
-==== tests/cases/conformance/es2020/modules/0.ts (0 errors) ====
-    export const a = 1;
-    export const b = 2;
-    
-==== tests/cases/conformance/es2020/modules/1.ts (2 errors) ====
-    export * as ns from './0';
-    ns.a;
-    ~~
-!!! error TS2304: Cannot find name 'ns'.
-    ns.b;
-    ~~
-!!! error TS2304: Cannot find name 'ns'.
-    
-==== tests/cases/conformance/es2020/modules/2.ts (0 errors) ====
-    import * as foo from './1'
-    
-    foo.ns.a;
-    foo.ns.b;
\ No newline at end of file
diff --git a/tests/baselines/reference/exportAsNamespace2_system.js b/tests/baselines/reference/exportAsNamespace2_system.js
deleted file mode 100644
index 8a4582bd4ce8b..0000000000000
--- a/tests/baselines/reference/exportAsNamespace2_system.js
+++ /dev/null
@@ -1,72 +0,0 @@
-//// [tests/cases/conformance/es2020/modules/exportAsNamespace2_system.ts] ////
-
-//// [0.ts]
-export const a = 1;
-export const b = 2;
-
-//// [1.ts]
-export * as ns from './0';
-ns.a;
-ns.b;
-
-//// [2.ts]
-import * as foo from './1'
-
-foo.ns.a;
-foo.ns.b;
-
-//// [0.js]
-System.register([], function (exports_1, context_1) {
-    "use strict";
-    var a, b;
-    var __moduleName = context_1 && context_1.id;
-    return {
-        setters: [],
-        execute: function () {
-            exports_1("a", a = 1);
-            exports_1("b", b = 2);
-        }
-    };
-});
-//// [1.js]
-System.register(["./0"], function (exports_1, context_1) {
-    "use strict";
-    var __moduleName = context_1 && context_1.id;
-    return {
-        setters: [
-            function (ns_1) {
-                exports_1("ns", ns_1);
-            }
-        ],
-        execute: function () {
-            ns.a;
-            ns.b;
-        }
-    };
-});
-//// [2.js]
-System.register(["./1"], function (exports_1, context_1) {
-    "use strict";
-    var foo;
-    var __moduleName = context_1 && context_1.id;
-    return {
-        setters: [
-            function (foo_1) {
-                foo = foo_1;
-            }
-        ],
-        execute: function () {
-            foo.ns.a;
-            foo.ns.b;
-        }
-    };
-});
-
-
-//// [0.d.ts]
-export declare const a = 1;
-export declare const b = 2;
-//// [1.d.ts]
-export * as ns from './0';
-//// [2.d.ts]
-export {};
diff --git a/tests/baselines/reference/exportAsNamespace2_system.symbols b/tests/baselines/reference/exportAsNamespace2_system.symbols
deleted file mode 100644
index 3c6b7529361ba..0000000000000
--- a/tests/baselines/reference/exportAsNamespace2_system.symbols
+++ /dev/null
@@ -1,32 +0,0 @@
-=== tests/cases/conformance/es2020/modules/0.ts ===
-export const a = 1;
->a : Symbol(a, Decl(0.ts, 0, 12))
-
-export const b = 2;
->b : Symbol(b, Decl(0.ts, 1, 12))
-
-=== tests/cases/conformance/es2020/modules/1.ts ===
-export * as ns from './0';
->ns : Symbol(ns, Decl(1.ts, 0, 11))
-
-ns.a;
-ns.b;
-
-=== tests/cases/conformance/es2020/modules/2.ts ===
-import * as foo from './1'
->foo : Symbol(foo, Decl(2.ts, 0, 6))
-
-foo.ns.a;
->foo.ns.a : Symbol(foo.ns.a, Decl(0.ts, 0, 12))
->foo.ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->foo : Symbol(foo, Decl(2.ts, 0, 6))
->ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->a : Symbol(foo.ns.a, Decl(0.ts, 0, 12))
-
-foo.ns.b;
->foo.ns.b : Symbol(foo.ns.b, Decl(0.ts, 1, 12))
->foo.ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->foo : Symbol(foo, Decl(2.ts, 0, 6))
->ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->b : Symbol(foo.ns.b, Decl(0.ts, 1, 12))
-
diff --git a/tests/baselines/reference/exportAsNamespace2_system.types b/tests/baselines/reference/exportAsNamespace2_system.types
deleted file mode 100644
index 43e33efa82b30..0000000000000
--- a/tests/baselines/reference/exportAsNamespace2_system.types
+++ /dev/null
@@ -1,41 +0,0 @@
-=== tests/cases/conformance/es2020/modules/0.ts ===
-export const a = 1;
->a : 1
->1 : 1
-
-export const b = 2;
->b : 2
->2 : 2
-
-=== tests/cases/conformance/es2020/modules/1.ts ===
-export * as ns from './0';
->ns : typeof ns
-
-ns.a;
->ns.a : any
->ns : any
->a : any
-
-ns.b;
->ns.b : any
->ns : any
->b : any
-
-=== tests/cases/conformance/es2020/modules/2.ts ===
-import * as foo from './1'
->foo : typeof foo
-
-foo.ns.a;
->foo.ns.a : 1
->foo.ns : typeof foo.ns
->foo : typeof foo
->ns : typeof foo.ns
->a : 1
-
-foo.ns.b;
->foo.ns.b : 2
->foo.ns : typeof foo.ns
->foo : typeof foo
->ns : typeof foo.ns
->b : 2
-
diff --git a/tests/baselines/reference/exportAsNamespace2_umd.errors.txt b/tests/baselines/reference/exportAsNamespace2_umd.errors.txt
deleted file mode 100644
index 90b3756336ae0..0000000000000
--- a/tests/baselines/reference/exportAsNamespace2_umd.errors.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-tests/cases/conformance/es2020/modules/1.ts(2,1): error TS2304: Cannot find name 'ns'.
-tests/cases/conformance/es2020/modules/1.ts(3,1): error TS2304: Cannot find name 'ns'.
-
-
-==== tests/cases/conformance/es2020/modules/0.ts (0 errors) ====
-    export const a = 1;
-    export const b = 2;
-    
-==== tests/cases/conformance/es2020/modules/1.ts (2 errors) ====
-    export * as ns from './0';
-    ns.a;
-    ~~
-!!! error TS2304: Cannot find name 'ns'.
-    ns.b;
-    ~~
-!!! error TS2304: Cannot find name 'ns'.
-    
-==== tests/cases/conformance/es2020/modules/2.ts (0 errors) ====
-    import * as foo from './1'
-    
-    foo.ns.a;
-    foo.ns.b;
\ No newline at end of file
diff --git a/tests/baselines/reference/exportAsNamespace2_umd.js b/tests/baselines/reference/exportAsNamespace2_umd.js
deleted file mode 100644
index e01ba1ae3771e..0000000000000
--- a/tests/baselines/reference/exportAsNamespace2_umd.js
+++ /dev/null
@@ -1,87 +0,0 @@
-//// [tests/cases/conformance/es2020/modules/exportAsNamespace2_umd.ts] ////
-
-//// [0.ts]
-export const a = 1;
-export const b = 2;
-
-//// [1.ts]
-export * as ns from './0';
-ns.a;
-ns.b;
-
-//// [2.ts]
-import * as foo from './1'
-
-foo.ns.a;
-foo.ns.b;
-
-//// [0.js]
-(function (factory) {
-    if (typeof module === "object" && typeof module.exports === "object") {
-        var v = factory(require, exports);
-        if (v !== undefined) module.exports = v;
-    }
-    else if (typeof define === "function" && define.amd) {
-        define(["require", "exports"], factory);
-    }
-})(function (require, exports) {
-    "use strict";
-    exports.__esModule = true;
-    exports.a = 1;
-    exports.b = 2;
-});
-//// [1.js]
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
-    result["default"] = mod;
-    return result;
-};
-(function (factory) {
-    if (typeof module === "object" && typeof module.exports === "object") {
-        var v = factory(require, exports);
-        if (v !== undefined) module.exports = v;
-    }
-    else if (typeof define === "function" && define.amd) {
-        define(["require", "exports", "./0"], factory);
-    }
-})(function (require, exports) {
-    "use strict";
-    exports.__esModule = true;
-    exports.ns = __importStar(require("./0"));
-    ns.a;
-    ns.b;
-});
-//// [2.js]
-var __importStar = (this && this.__importStar) || function (mod) {
-    if (mod && mod.__esModule) return mod;
-    var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
-    result["default"] = mod;
-    return result;
-};
-(function (factory) {
-    if (typeof module === "object" && typeof module.exports === "object") {
-        var v = factory(require, exports);
-        if (v !== undefined) module.exports = v;
-    }
-    else if (typeof define === "function" && define.amd) {
-        define(["require", "exports", "./1"], factory);
-    }
-})(function (require, exports) {
-    "use strict";
-    exports.__esModule = true;
-    var foo = __importStar(require("./1"));
-    foo.ns.a;
-    foo.ns.b;
-});
-
-
-//// [0.d.ts]
-export declare const a = 1;
-export declare const b = 2;
-//// [1.d.ts]
-export * as ns from './0';
-//// [2.d.ts]
-export {};
diff --git a/tests/baselines/reference/exportAsNamespace2_umd.symbols b/tests/baselines/reference/exportAsNamespace2_umd.symbols
deleted file mode 100644
index 3c6b7529361ba..0000000000000
--- a/tests/baselines/reference/exportAsNamespace2_umd.symbols
+++ /dev/null
@@ -1,32 +0,0 @@
-=== tests/cases/conformance/es2020/modules/0.ts ===
-export const a = 1;
->a : Symbol(a, Decl(0.ts, 0, 12))
-
-export const b = 2;
->b : Symbol(b, Decl(0.ts, 1, 12))
-
-=== tests/cases/conformance/es2020/modules/1.ts ===
-export * as ns from './0';
->ns : Symbol(ns, Decl(1.ts, 0, 11))
-
-ns.a;
-ns.b;
-
-=== tests/cases/conformance/es2020/modules/2.ts ===
-import * as foo from './1'
->foo : Symbol(foo, Decl(2.ts, 0, 6))
-
-foo.ns.a;
->foo.ns.a : Symbol(foo.ns.a, Decl(0.ts, 0, 12))
->foo.ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->foo : Symbol(foo, Decl(2.ts, 0, 6))
->ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->a : Symbol(foo.ns.a, Decl(0.ts, 0, 12))
-
-foo.ns.b;
->foo.ns.b : Symbol(foo.ns.b, Decl(0.ts, 1, 12))
->foo.ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->foo : Symbol(foo, Decl(2.ts, 0, 6))
->ns : Symbol(foo.ns, Decl(1.ts, 0, 11))
->b : Symbol(foo.ns.b, Decl(0.ts, 1, 12))
-
diff --git a/tests/baselines/reference/exportAsNamespace2_umd.types b/tests/baselines/reference/exportAsNamespace2_umd.types
deleted file mode 100644
index 43e33efa82b30..0000000000000
--- a/tests/baselines/reference/exportAsNamespace2_umd.types
+++ /dev/null
@@ -1,41 +0,0 @@
-=== tests/cases/conformance/es2020/modules/0.ts ===
-export const a = 1;
->a : 1
->1 : 1
-
-export const b = 2;
->b : 2
->2 : 2
-
-=== tests/cases/conformance/es2020/modules/1.ts ===
-export * as ns from './0';
->ns : typeof ns
-
-ns.a;
->ns.a : any
->ns : any
->a : any
-
-ns.b;
->ns.b : any
->ns : any
->b : any
-
-=== tests/cases/conformance/es2020/modules/2.ts ===
-import * as foo from './1'
->foo : typeof foo
-
-foo.ns.a;
->foo.ns.a : 1
->foo.ns : typeof foo.ns
->foo : typeof foo
->ns : typeof foo.ns
->a : 1
-
-foo.ns.b;
->foo.ns.b : 2
->foo.ns : typeof foo.ns
->foo : typeof foo
->ns : typeof foo.ns
->b : 2
-
diff --git a/tests/baselines/reference/exportDefaultAsyncFunction2.types b/tests/baselines/reference/exportDefaultAsyncFunction2.types
index 0e6ad89ccdfe6..76194df7b18ef 100644
--- a/tests/baselines/reference/exportDefaultAsyncFunction2.types
+++ b/tests/baselines/reference/exportDefaultAsyncFunction2.types
@@ -19,9 +19,9 @@ export default async(() => await(Promise.resolve(1)));
 >await(Promise.resolve(1)) : any
 >await : (...args: any[]) => any
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 === tests/cases/compiler/b.ts ===
diff --git a/tests/baselines/reference/forAwaitForUnion.types b/tests/baselines/reference/forAwaitForUnion.types
index 180197b26eafc..db54e1d0e43f3 100644
--- a/tests/baselines/reference/forAwaitForUnion.types
+++ b/tests/baselines/reference/forAwaitForUnion.types
@@ -4,7 +4,7 @@ async function f<T>(source: Iterable<T> | AsyncIterable<T>) {
 >source : Iterable<T> | AsyncIterable<T>
 
     for await (const x of source) {
->x : T
+>x : T | Awaited<T>
 >source : Iterable<T> | AsyncIterable<T>
     }
 }
diff --git a/tests/baselines/reference/genericFunctionInference1.types b/tests/baselines/reference/genericFunctionInference1.types
index 1974fe17bea80..ed6928a434188 100644
--- a/tests/baselines/reference/genericFunctionInference1.types
+++ b/tests/baselines/reference/genericFunctionInference1.types
@@ -835,9 +835,9 @@ const fn30: Fn = pipe(
 const promise = Promise.resolve(1);
 >promise : Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 promise.then(
diff --git a/tests/baselines/reference/includeEs2015Promise.js b/tests/baselines/reference/includeEs2015Promise.js
new file mode 100644
index 0000000000000..8377f011e70c3
--- /dev/null
+++ b/tests/baselines/reference/includeEs2015Promise.js
@@ -0,0 +1,4 @@
+//// [includeEs2015Promise.ts]
+
+
+//// [includeEs2015Promise.js]
diff --git a/tests/baselines/reference/includeEs2015Promise.symbols b/tests/baselines/reference/includeEs2015Promise.symbols
new file mode 100644
index 0000000000000..afab37ebc84d1
--- /dev/null
+++ b/tests/baselines/reference/includeEs2015Promise.symbols
@@ -0,0 +1,3 @@
+=== tests/cases/compiler/includeEs2015Promise.ts ===
+
+No type information for this code.
\ No newline at end of file
diff --git a/tests/baselines/reference/includeEs2015Promise.types b/tests/baselines/reference/includeEs2015Promise.types
new file mode 100644
index 0000000000000..afab37ebc84d1
--- /dev/null
+++ b/tests/baselines/reference/includeEs2015Promise.types
@@ -0,0 +1,3 @@
+=== tests/cases/compiler/includeEs2015Promise.ts ===
+
+No type information for this code.
\ No newline at end of file
diff --git a/tests/baselines/reference/inferFromGenericFunctionReturnTypes3.symbols b/tests/baselines/reference/inferFromGenericFunctionReturnTypes3.symbols
index ecf867a2bf715..099c5761978d6 100644
--- a/tests/baselines/reference/inferFromGenericFunctionReturnTypes3.symbols
+++ b/tests/baselines/reference/inferFromGenericFunctionReturnTypes3.symbols
@@ -381,9 +381,9 @@ const f1: F = () => {
 >F : Symbol(F, Decl(inferFromGenericFunctionReturnTypes3.ts, 153, 2))
 
     return Promise.all([
->Promise.all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --) ... and 6 more)
+>Promise.all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
->all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --) ... and 6 more)
+>all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
         {
             name: "David Gomes",
 >name : Symbol(name, Decl(inferFromGenericFunctionReturnTypes3.ts, 159, 9))
diff --git a/tests/baselines/reference/inferFromGenericFunctionReturnTypes3.types b/tests/baselines/reference/inferFromGenericFunctionReturnTypes3.types
index f9192dd11baad..66219c7246c98 100644
--- a/tests/baselines/reference/inferFromGenericFunctionReturnTypes3.types
+++ b/tests/baselines/reference/inferFromGenericFunctionReturnTypes3.types
@@ -7,9 +7,9 @@ function truePromise(): Promise<true> {
 
     return Promise.resolve(true);
 >Promise.resolve(true) : Promise<true>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >true : true
 }
 
@@ -409,14 +409,14 @@ type F = () => Promise<Array<Player>>;
  
 const f1: F = () => {
 >f1 : F
->() => {    return Promise.all([        {            name: "David Gomes",            age: 23,            position: "GOALKEEPER",        }, {            name: "Cristiano Ronaldo",            age: 33,            position: "STRIKER",        }    ]);} : () => Promise<[{ name: string; age: number; position: "GOALKEEPER"; }, { name: string; age: number; position: "STRIKER"; }]>
+>() => {    return Promise.all([        {            name: "David Gomes",            age: 23,            position: "GOALKEEPER",        }, {            name: "Cristiano Ronaldo",            age: 33,            position: "STRIKER",        }    ]);} : () => Promise<({ name: string; age: number; position: "GOALKEEPER"; } | { name: string; age: number; position: "STRIKER"; })[]>
 
     return Promise.all([
->Promise.all([        {            name: "David Gomes",            age: 23,            position: "GOALKEEPER",        }, {            name: "Cristiano Ronaldo",            age: 33,            position: "STRIKER",        }    ]) : Promise<[{ name: string; age: number; position: "GOALKEEPER"; }, { name: string; age: number; position: "STRIKER"; }]>
->Promise.all : { <TAll>(values: Iterable<TAll | PromiseLike<TAll>>): Promise<TAll[]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9]>; <T1, T2, T3, T4, T5, T6, T7, T8>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8]>; <T1, T2, T3, T4, T5, T6, T7>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[T1, T2, T3, T4, T5, T6, T7]>; <T1, T2, T3, T4, T5, T6>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[T1, T2, T3, T4, T5, T6]>; <T1, T2, T3, T4, T5>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>]): Promise<[T1, T2, T3, T4, T5]>; <T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>]): Promise<[T1, T2, T3, T4]>; <T1, T2, T3>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>]): Promise<[T1, T2, T3]>; <T1, T2>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>]): Promise<[T1, T2]>; <T>(values: readonly (T | PromiseLike<T>)[]): Promise<T[]>; }
+>Promise.all([        {            name: "David Gomes",            age: 23,            position: "GOALKEEPER",        }, {            name: "Cristiano Ronaldo",            age: 33,            position: "STRIKER",        }    ]) : Promise<({ name: string; age: number; position: "GOALKEEPER"; } | { name: string; age: number; position: "STRIKER"; })[]>
+>Promise.all : { <TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
 >Promise : PromiseConstructor
->all : { <TAll>(values: Iterable<TAll | PromiseLike<TAll>>): Promise<TAll[]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9]>; <T1, T2, T3, T4, T5, T6, T7, T8>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8]>; <T1, T2, T3, T4, T5, T6, T7>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[T1, T2, T3, T4, T5, T6, T7]>; <T1, T2, T3, T4, T5, T6>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[T1, T2, T3, T4, T5, T6]>; <T1, T2, T3, T4, T5>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>]): Promise<[T1, T2, T3, T4, T5]>; <T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>]): Promise<[T1, T2, T3, T4]>; <T1, T2, T3>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>]): Promise<[T1, T2, T3]>; <T1, T2>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>]): Promise<[T1, T2]>; <T>(values: readonly (T | PromiseLike<T>)[]): Promise<T[]>; }
->[        {            name: "David Gomes",            age: 23,            position: "GOALKEEPER",        }, {            name: "Cristiano Ronaldo",            age: 33,            position: "STRIKER",        }    ] : [{ name: string; age: number; position: "GOALKEEPER"; }, { name: string; age: number; position: "STRIKER"; }]
+>all : { <TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
+>[        {            name: "David Gomes",            age: 23,            position: "GOALKEEPER",        }, {            name: "Cristiano Ronaldo",            age: 33,            position: "STRIKER",        }    ] : ({ name: string; age: number; position: "GOALKEEPER"; } | { name: string; age: number; position: "STRIKER"; })[]
         {
 >{            name: "David Gomes",            age: 23,            position: "GOALKEEPER",        } : { name: string; age: number; position: "GOALKEEPER"; }
 
diff --git a/tests/baselines/reference/inferenceLimit.symbols b/tests/baselines/reference/inferenceLimit.symbols
index 4b7091a05857e..2c2a43c35bb52 100644
--- a/tests/baselines/reference/inferenceLimit.symbols
+++ b/tests/baselines/reference/inferenceLimit.symbols
@@ -61,9 +61,9 @@ export class BrokenClass {
 
     return Promise.all(result.map(populateItems))
 >Promise.all(result.map(populateItems))      .then : Symbol(Promise.then, Decl(lib.es5.d.ts, --, --))
->Promise.all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --) ... and 6 more)
+>Promise.all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
->all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --) ... and 6 more)
+>all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
 >result.map : Symbol(Array.map, Decl(lib.es5.d.ts, --, --))
 >result : Symbol(result, Decl(file1.ts, 10, 7))
 >map : Symbol(Array.map, Decl(lib.es5.d.ts, --, --))
diff --git a/tests/baselines/reference/inferenceLimit.types b/tests/baselines/reference/inferenceLimit.types
index fc2836e6dea9c..bbd76281afd97 100644
--- a/tests/baselines/reference/inferenceLimit.types
+++ b/tests/baselines/reference/inferenceLimit.types
@@ -19,8 +19,8 @@ export class BrokenClass {
 >new Promise<Array<MyModule.MyModel>>((resolve, reject) => {    let result: Array<MyModule.MyModel> = [];    let populateItems = (order) => {      return new Promise((resolve, reject) => {        this.doStuff(order.id)          .then((items) => {            order.items = items;            resolve(order);          });      });    };    return Promise.all(result.map(populateItems))      .then((orders: Array<MyModule.MyModel>) => {        resolve(orders);      });    }) : Promise<MyModule.MyModel[]>
 >Promise : PromiseConstructor
 >MyModule : any
->(resolve, reject) => {    let result: Array<MyModule.MyModel> = [];    let populateItems = (order) => {      return new Promise((resolve, reject) => {        this.doStuff(order.id)          .then((items) => {            order.items = items;            resolve(order);          });      });    };    return Promise.all(result.map(populateItems))      .then((orders: Array<MyModule.MyModel>) => {        resolve(orders);      });    } : (resolve: (value?: MyModule.MyModel[] | PromiseLike<MyModule.MyModel[]>) => void, reject: (reason?: any) => void) => Promise<void>
->resolve : (value?: MyModule.MyModel[] | PromiseLike<MyModule.MyModel[]>) => void
+>(resolve, reject) => {    let result: Array<MyModule.MyModel> = [];    let populateItems = (order) => {      return new Promise((resolve, reject) => {        this.doStuff(order.id)          .then((items) => {            order.items = items;            resolve(order);          });      });    };    return Promise.all(result.map(populateItems))      .then((orders: Array<MyModule.MyModel>) => {        resolve(orders);      });    } : (resolve: (value?: MyModule.MyModel[]) => void, reject: (reason?: any) => void) => Promise<void>
+>resolve : (value?: MyModule.MyModel[]) => void
 >reject : (reason?: any) => void
 
     let result: Array<MyModule.MyModel> = [];
@@ -76,9 +76,9 @@ export class BrokenClass {
 >Promise.all(result.map(populateItems))      .then((orders: Array<MyModule.MyModel>) => {        resolve(orders);      }) : Promise<void>
 >Promise.all(result.map(populateItems))      .then : <TResult1 = unknown[], TResult2 = never>(onfulfilled?: (value: unknown[]) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
 >Promise.all(result.map(populateItems)) : Promise<unknown[]>
->Promise.all : { <TAll>(values: Iterable<TAll | PromiseLike<TAll>>): Promise<TAll[]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9]>; <T1, T2, T3, T4, T5, T6, T7, T8>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8]>; <T1, T2, T3, T4, T5, T6, T7>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[T1, T2, T3, T4, T5, T6, T7]>; <T1, T2, T3, T4, T5, T6>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[T1, T2, T3, T4, T5, T6]>; <T1, T2, T3, T4, T5>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>]): Promise<[T1, T2, T3, T4, T5]>; <T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>]): Promise<[T1, T2, T3, T4]>; <T1, T2, T3>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>]): Promise<[T1, T2, T3]>; <T1, T2>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>]): Promise<[T1, T2]>; <T>(values: readonly (T | PromiseLike<T>)[]): Promise<T[]>; }
+>Promise.all : { <TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
 >Promise : PromiseConstructor
->all : { <TAll>(values: Iterable<TAll | PromiseLike<TAll>>): Promise<TAll[]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>, T10 | PromiseLike<T10>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9, T10]>; <T1, T2, T3, T4, T5, T6, T7, T8, T9>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>, T9 | PromiseLike<T9>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8, T9]>; <T1, T2, T3, T4, T5, T6, T7, T8>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>, T8 | PromiseLike<T8>]): Promise<[T1, T2, T3, T4, T5, T6, T7, T8]>; <T1, T2, T3, T4, T5, T6, T7>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>, T7 | PromiseLike<T7>]): Promise<[T1, T2, T3, T4, T5, T6, T7]>; <T1, T2, T3, T4, T5, T6>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>, T6 | PromiseLike<T6>]): Promise<[T1, T2, T3, T4, T5, T6]>; <T1, T2, T3, T4, T5>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>, T5 | PromiseLike<T5>]): Promise<[T1, T2, T3, T4, T5]>; <T1, T2, T3, T4>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>, T4 | PromiseLike<T4>]): Promise<[T1, T2, T3, T4]>; <T1, T2, T3>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>, T3 | PromiseLike<T3>]): Promise<[T1, T2, T3]>; <T1, T2>(values: readonly [T1 | PromiseLike<T1>, T2 | PromiseLike<T2>]): Promise<[T1, T2]>; <T>(values: readonly (T | PromiseLike<T>)[]): Promise<T[]>; }
+>all : { <TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
 >result.map(populateItems) : Promise<unknown>[]
 >result.map : <U>(callbackfn: (value: MyModule.MyModel, index: number, array: MyModule.MyModel[]) => U, thisArg?: any) => U[]
 >result : MyModule.MyModel[]
@@ -93,7 +93,7 @@ export class BrokenClass {
 
         resolve(orders);
 >resolve(orders) : void
->resolve : (value?: MyModule.MyModel[] | PromiseLike<MyModule.MyModel[]>) => void
+>resolve : (value?: MyModule.MyModel[]) => void
 >orders : MyModule.MyModel[]
 
       });
diff --git a/tests/baselines/reference/instantiateContextualTypes.types b/tests/baselines/reference/instantiateContextualTypes.types
index b5317b6f7561f..315a5daa90181 100644
--- a/tests/baselines/reference/instantiateContextualTypes.types
+++ b/tests/baselines/reference/instantiateContextualTypes.types
@@ -342,9 +342,9 @@ class Interesting {
 >Promise.resolve().then(() => {			if (1 < 2) {				return 'SOMETHING';			}			return 'ELSE';		}) : Promise<DooDad>
 >Promise.resolve().then : <TResult1 = void, TResult2 = never>(onfulfilled?: ((value: void) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
 >Promise.resolve() : Promise<void>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >then : <TResult1 = void, TResult2 = never>(onfulfilled?: ((value: void) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
 >() => {			if (1 < 2) {				return 'SOMETHING';			}			return 'ELSE';		} : () => "SOMETHING" | "ELSE"
 
@@ -369,9 +369,9 @@ class Interesting {
 >Promise.resolve().then(() => {			return 'ELSE';		}) : Promise<DooDad>
 >Promise.resolve().then : <TResult1 = void, TResult2 = never>(onfulfilled?: ((value: void) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
 >Promise.resolve() : Promise<void>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >then : <TResult1 = void, TResult2 = never>(onfulfilled?: ((value: void) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
 >() => {			return 'ELSE';		} : () => "ELSE"
 
@@ -388,9 +388,9 @@ class Interesting {
 >Promise.resolve().then(() => {			if (1 < 2) {				return 'SOMETHING';			}			return 'SOMETHING';		}) : Promise<DooDad>
 >Promise.resolve().then : <TResult1 = void, TResult2 = never>(onfulfilled?: ((value: void) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
 >Promise.resolve() : Promise<void>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >then : <TResult1 = void, TResult2 = never>(onfulfilled?: ((value: void) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
 >() => {			if (1 < 2) {				return 'SOMETHING';			}			return 'SOMETHING';		} : () => "SOMETHING"
 
diff --git a/tests/baselines/reference/jsdocArrayObjectPromiseImplicitAny.types b/tests/baselines/reference/jsdocArrayObjectPromiseImplicitAny.types
index 3fab5033c2305..8b481ff7a35af 100644
--- a/tests/baselines/reference/jsdocArrayObjectPromiseImplicitAny.types
+++ b/tests/baselines/reference/jsdocArrayObjectPromiseImplicitAny.types
@@ -27,18 +27,18 @@ function returnAnyArray(arr) {
 var anyPromise = Promise.resolve(5);
 >anyPromise : Promise<any>
 >Promise.resolve(5) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >5 : 5
 
 /** @type {Promise<number>} */
 var numberPromise = Promise.resolve(5);
 >numberPromise : Promise<number>
 >Promise.resolve(5) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >5 : 5
 
 /**
diff --git a/tests/baselines/reference/jsdocArrayObjectPromiseNoImplicitAny.types b/tests/baselines/reference/jsdocArrayObjectPromiseNoImplicitAny.types
index 82ff886f1ec68..a8d71f243f5c5 100644
--- a/tests/baselines/reference/jsdocArrayObjectPromiseNoImplicitAny.types
+++ b/tests/baselines/reference/jsdocArrayObjectPromiseNoImplicitAny.types
@@ -27,18 +27,18 @@ function returnNotAnyArray(arr) {
 var notAnyPromise = Promise.resolve(5);
 >notAnyPromise : Promise<any>
 >Promise.resolve(5) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >5 : 5
 
 /** @type {Promise<number>} */
 var numberPromise = Promise.resolve(5);
 >numberPromise : Promise<number>
 >Promise.resolve(5) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >5 : 5
 
 /**
diff --git a/tests/baselines/reference/mappedTypesArraysTuples.js b/tests/baselines/reference/mappedTypesArraysTuples.js
index 7bd4b03a6e54f..516cf6685e996 100644
--- a/tests/baselines/reference/mappedTypesArraysTuples.js
+++ b/tests/baselines/reference/mappedTypesArraysTuples.js
@@ -58,7 +58,6 @@ let y21 = nonpartial(x21);
 declare let x22: { a: number | undefined, b?: string[] };
 let y22 = nonpartial(x22);
 
-type Awaited<T> = T extends PromiseLike<infer U> ? U : T;
 type Awaitified<T> = { [P in keyof T]: Awaited<T[P]> };
 
 declare function all<T extends any[]>(...values: T): Promise<Awaitified<T>>;
@@ -189,7 +188,6 @@ declare let y22: {
     a: number;
     b: string[];
 };
-declare type Awaited<T> = T extends PromiseLike<infer U> ? U : T;
 declare type Awaitified<T> = {
     [P in keyof T]: Awaited<T[P]>;
 };
diff --git a/tests/baselines/reference/mappedTypesArraysTuples.symbols b/tests/baselines/reference/mappedTypesArraysTuples.symbols
index 48a3979585c7e..ef4f4f36945ca 100644
--- a/tests/baselines/reference/mappedTypesArraysTuples.symbols
+++ b/tests/baselines/reference/mappedTypesArraysTuples.symbols
@@ -214,173 +214,164 @@ let y22 = nonpartial(x22);
 >nonpartial : Symbol(nonpartial, Decl(mappedTypesArraysTuples.ts, 46, 24))
 >x22 : Symbol(x22, Decl(mappedTypesArraysTuples.ts, 56, 11))
 
-type Awaited<T> = T extends PromiseLike<infer U> ? U : T;
->Awaited : Symbol(Awaited, Decl(mappedTypesArraysTuples.ts, 57, 26))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 59, 13))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 59, 13))
->PromiseLike : Symbol(PromiseLike, Decl(lib.es5.d.ts, --, --))
->U : Symbol(U, Decl(mappedTypesArraysTuples.ts, 59, 45))
->U : Symbol(U, Decl(mappedTypesArraysTuples.ts, 59, 45))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 59, 13))
-
 type Awaitified<T> = { [P in keyof T]: Awaited<T[P]> };
->Awaitified : Symbol(Awaitified, Decl(mappedTypesArraysTuples.ts, 59, 57))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 60, 16))
->P : Symbol(P, Decl(mappedTypesArraysTuples.ts, 60, 24))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 60, 16))
->Awaited : Symbol(Awaited, Decl(mappedTypesArraysTuples.ts, 57, 26))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 60, 16))
->P : Symbol(P, Decl(mappedTypesArraysTuples.ts, 60, 24))
+>Awaitified : Symbol(Awaitified, Decl(mappedTypesArraysTuples.ts, 57, 26))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 59, 16))
+>P : Symbol(P, Decl(mappedTypesArraysTuples.ts, 59, 24))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 59, 16))
+>Awaited : Symbol(Awaited, Decl(lib.es5.d.ts, --, --))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 59, 16))
+>P : Symbol(P, Decl(mappedTypesArraysTuples.ts, 59, 24))
 
 declare function all<T extends any[]>(...values: T): Promise<Awaitified<T>>;
->all : Symbol(all, Decl(mappedTypesArraysTuples.ts, 60, 55))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 62, 21))
->values : Symbol(values, Decl(mappedTypesArraysTuples.ts, 62, 38))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 62, 21))
+>all : Symbol(all, Decl(mappedTypesArraysTuples.ts, 59, 55))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 61, 21))
+>values : Symbol(values, Decl(mappedTypesArraysTuples.ts, 61, 38))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 61, 21))
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --))
->Awaitified : Symbol(Awaitified, Decl(mappedTypesArraysTuples.ts, 59, 57))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 62, 21))
+>Awaitified : Symbol(Awaitified, Decl(mappedTypesArraysTuples.ts, 57, 26))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 61, 21))
 
 function f1(a: number, b: Promise<number>, c: string[], d: Promise<string[]>) {
->f1 : Symbol(f1, Decl(mappedTypesArraysTuples.ts, 62, 76))
->a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 64, 12))
->b : Symbol(b, Decl(mappedTypesArraysTuples.ts, 64, 22))
+>f1 : Symbol(f1, Decl(mappedTypesArraysTuples.ts, 61, 76))
+>a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 63, 12))
+>b : Symbol(b, Decl(mappedTypesArraysTuples.ts, 63, 22))
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --))
->c : Symbol(c, Decl(mappedTypesArraysTuples.ts, 64, 42))
->d : Symbol(d, Decl(mappedTypesArraysTuples.ts, 64, 55))
+>c : Symbol(c, Decl(mappedTypesArraysTuples.ts, 63, 42))
+>d : Symbol(d, Decl(mappedTypesArraysTuples.ts, 63, 55))
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --))
 
     let x1 = all(a);
->x1 : Symbol(x1, Decl(mappedTypesArraysTuples.ts, 65, 7))
->all : Symbol(all, Decl(mappedTypesArraysTuples.ts, 60, 55))
->a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 64, 12))
+>x1 : Symbol(x1, Decl(mappedTypesArraysTuples.ts, 64, 7))
+>all : Symbol(all, Decl(mappedTypesArraysTuples.ts, 59, 55))
+>a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 63, 12))
 
     let x2 = all(a, b);
->x2 : Symbol(x2, Decl(mappedTypesArraysTuples.ts, 66, 7))
->all : Symbol(all, Decl(mappedTypesArraysTuples.ts, 60, 55))
->a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 64, 12))
->b : Symbol(b, Decl(mappedTypesArraysTuples.ts, 64, 22))
+>x2 : Symbol(x2, Decl(mappedTypesArraysTuples.ts, 65, 7))
+>all : Symbol(all, Decl(mappedTypesArraysTuples.ts, 59, 55))
+>a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 63, 12))
+>b : Symbol(b, Decl(mappedTypesArraysTuples.ts, 63, 22))
 
     let x3 = all(a, b, c);
->x3 : Symbol(x3, Decl(mappedTypesArraysTuples.ts, 67, 7))
->all : Symbol(all, Decl(mappedTypesArraysTuples.ts, 60, 55))
->a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 64, 12))
->b : Symbol(b, Decl(mappedTypesArraysTuples.ts, 64, 22))
->c : Symbol(c, Decl(mappedTypesArraysTuples.ts, 64, 42))
+>x3 : Symbol(x3, Decl(mappedTypesArraysTuples.ts, 66, 7))
+>all : Symbol(all, Decl(mappedTypesArraysTuples.ts, 59, 55))
+>a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 63, 12))
+>b : Symbol(b, Decl(mappedTypesArraysTuples.ts, 63, 22))
+>c : Symbol(c, Decl(mappedTypesArraysTuples.ts, 63, 42))
 
     let x4 = all(a, b, c, d);
->x4 : Symbol(x4, Decl(mappedTypesArraysTuples.ts, 68, 7))
->all : Symbol(all, Decl(mappedTypesArraysTuples.ts, 60, 55))
->a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 64, 12))
->b : Symbol(b, Decl(mappedTypesArraysTuples.ts, 64, 22))
->c : Symbol(c, Decl(mappedTypesArraysTuples.ts, 64, 42))
->d : Symbol(d, Decl(mappedTypesArraysTuples.ts, 64, 55))
+>x4 : Symbol(x4, Decl(mappedTypesArraysTuples.ts, 67, 7))
+>all : Symbol(all, Decl(mappedTypesArraysTuples.ts, 59, 55))
+>a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 63, 12))
+>b : Symbol(b, Decl(mappedTypesArraysTuples.ts, 63, 22))
+>c : Symbol(c, Decl(mappedTypesArraysTuples.ts, 63, 42))
+>d : Symbol(d, Decl(mappedTypesArraysTuples.ts, 63, 55))
 }
 
 function f2<T extends any[]>(a: Boxified<T>) {
->f2 : Symbol(f2, Decl(mappedTypesArraysTuples.ts, 69, 1))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 71, 12))
->a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 71, 29))
+>f2 : Symbol(f2, Decl(mappedTypesArraysTuples.ts, 68, 1))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 70, 12))
+>a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 70, 29))
 >Boxified : Symbol(Boxified, Decl(mappedTypesArraysTuples.ts, 0, 27))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 71, 12))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 70, 12))
 
     let x: Box<any> | undefined = a.pop();
->x : Symbol(x, Decl(mappedTypesArraysTuples.ts, 72, 7))
+>x : Symbol(x, Decl(mappedTypesArraysTuples.ts, 71, 7))
 >Box : Symbol(Box, Decl(mappedTypesArraysTuples.ts, 0, 0))
 >a.pop : Symbol(Array.pop, Decl(lib.es5.d.ts, --, --))
->a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 71, 29))
+>a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 70, 29))
 >pop : Symbol(Array.pop, Decl(lib.es5.d.ts, --, --))
 
     let y: Box<any>[] = a.concat(a);
->y : Symbol(y, Decl(mappedTypesArraysTuples.ts, 73, 7))
+>y : Symbol(y, Decl(mappedTypesArraysTuples.ts, 72, 7))
 >Box : Symbol(Box, Decl(mappedTypesArraysTuples.ts, 0, 0))
 >a.concat : Symbol(Array.concat, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
->a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 71, 29))
+>a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 70, 29))
 >concat : Symbol(Array.concat, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
->a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 71, 29))
+>a : Symbol(a, Decl(mappedTypesArraysTuples.ts, 70, 29))
 }
 
 // Repro from #26163
 
 type ElementType<T> = T extends Array<infer U> ? U : never;
->ElementType : Symbol(ElementType, Decl(mappedTypesArraysTuples.ts, 74, 1))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 78, 17))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 78, 17))
+>ElementType : Symbol(ElementType, Decl(mappedTypesArraysTuples.ts, 73, 1))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 77, 17))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 77, 17))
 >Array : Symbol(Array, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
->U : Symbol(U, Decl(mappedTypesArraysTuples.ts, 78, 43))
->U : Symbol(U, Decl(mappedTypesArraysTuples.ts, 78, 43))
+>U : Symbol(U, Decl(mappedTypesArraysTuples.ts, 77, 43))
+>U : Symbol(U, Decl(mappedTypesArraysTuples.ts, 77, 43))
 
 type Mapped<T> = { [K in keyof T]: T[K] };
->Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 78, 59))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 79, 12))
->K : Symbol(K, Decl(mappedTypesArraysTuples.ts, 79, 20))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 79, 12))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 79, 12))
->K : Symbol(K, Decl(mappedTypesArraysTuples.ts, 79, 20))
+>Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 77, 59))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 78, 12))
+>K : Symbol(K, Decl(mappedTypesArraysTuples.ts, 78, 20))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 78, 12))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 78, 12))
+>K : Symbol(K, Decl(mappedTypesArraysTuples.ts, 78, 20))
 
 type F<T> = ElementType<Mapped<T>>;
->F : Symbol(F, Decl(mappedTypesArraysTuples.ts, 79, 42))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 81, 7))
->ElementType : Symbol(ElementType, Decl(mappedTypesArraysTuples.ts, 74, 1))
->Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 78, 59))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 81, 7))
+>F : Symbol(F, Decl(mappedTypesArraysTuples.ts, 78, 42))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 80, 7))
+>ElementType : Symbol(ElementType, Decl(mappedTypesArraysTuples.ts, 73, 1))
+>Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 77, 59))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 80, 7))
 
 type R1 = F<[string, number, boolean]>;  // string | number | boolean
->R1 : Symbol(R1, Decl(mappedTypesArraysTuples.ts, 81, 35))
->F : Symbol(F, Decl(mappedTypesArraysTuples.ts, 79, 42))
+>R1 : Symbol(R1, Decl(mappedTypesArraysTuples.ts, 80, 35))
+>F : Symbol(F, Decl(mappedTypesArraysTuples.ts, 78, 42))
 
 type R2 = ElementType<Mapped<[string, number, boolean]>>;  // string | number | boolean
->R2 : Symbol(R2, Decl(mappedTypesArraysTuples.ts, 82, 39))
->ElementType : Symbol(ElementType, Decl(mappedTypesArraysTuples.ts, 74, 1))
->Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 78, 59))
+>R2 : Symbol(R2, Decl(mappedTypesArraysTuples.ts, 81, 39))
+>ElementType : Symbol(ElementType, Decl(mappedTypesArraysTuples.ts, 73, 1))
+>Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 77, 59))
 
 // Repro from #26163
 
 declare function acceptArray(arr: any[]): void;
->acceptArray : Symbol(acceptArray, Decl(mappedTypesArraysTuples.ts, 83, 57))
->arr : Symbol(arr, Decl(mappedTypesArraysTuples.ts, 87, 29))
+>acceptArray : Symbol(acceptArray, Decl(mappedTypesArraysTuples.ts, 82, 57))
+>arr : Symbol(arr, Decl(mappedTypesArraysTuples.ts, 86, 29))
 
 declare function mapArray<T extends any[]>(arr: T): Mapped<T>;
->mapArray : Symbol(mapArray, Decl(mappedTypesArraysTuples.ts, 87, 47))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 88, 26))
->arr : Symbol(arr, Decl(mappedTypesArraysTuples.ts, 88, 43))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 88, 26))
->Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 78, 59))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 88, 26))
+>mapArray : Symbol(mapArray, Decl(mappedTypesArraysTuples.ts, 86, 47))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 87, 26))
+>arr : Symbol(arr, Decl(mappedTypesArraysTuples.ts, 87, 43))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 87, 26))
+>Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 77, 59))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 87, 26))
 
 function acceptMappedArray<T extends any[]>(arr: T) {
->acceptMappedArray : Symbol(acceptMappedArray, Decl(mappedTypesArraysTuples.ts, 88, 62))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 89, 27))
->arr : Symbol(arr, Decl(mappedTypesArraysTuples.ts, 89, 44))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 89, 27))
+>acceptMappedArray : Symbol(acceptMappedArray, Decl(mappedTypesArraysTuples.ts, 87, 62))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 88, 27))
+>arr : Symbol(arr, Decl(mappedTypesArraysTuples.ts, 88, 44))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 88, 27))
 
     acceptArray(mapArray(arr));
->acceptArray : Symbol(acceptArray, Decl(mappedTypesArraysTuples.ts, 83, 57))
->mapArray : Symbol(mapArray, Decl(mappedTypesArraysTuples.ts, 87, 47))
->arr : Symbol(arr, Decl(mappedTypesArraysTuples.ts, 89, 44))
+>acceptArray : Symbol(acceptArray, Decl(mappedTypesArraysTuples.ts, 82, 57))
+>mapArray : Symbol(mapArray, Decl(mappedTypesArraysTuples.ts, 86, 47))
+>arr : Symbol(arr, Decl(mappedTypesArraysTuples.ts, 88, 44))
 }
 
 // Repro from #26163
 
 type Unconstrained<T> = ElementType<Mapped<T>>;
->Unconstrained : Symbol(Unconstrained, Decl(mappedTypesArraysTuples.ts, 91, 1))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 95, 19))
->ElementType : Symbol(ElementType, Decl(mappedTypesArraysTuples.ts, 74, 1))
->Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 78, 59))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 95, 19))
+>Unconstrained : Symbol(Unconstrained, Decl(mappedTypesArraysTuples.ts, 90, 1))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 94, 19))
+>ElementType : Symbol(ElementType, Decl(mappedTypesArraysTuples.ts, 73, 1))
+>Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 77, 59))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 94, 19))
 
 type T1 = Unconstrained<[string, number, boolean]>;  // string | number | boolean
->T1 : Symbol(T1, Decl(mappedTypesArraysTuples.ts, 95, 47))
->Unconstrained : Symbol(Unconstrained, Decl(mappedTypesArraysTuples.ts, 91, 1))
+>T1 : Symbol(T1, Decl(mappedTypesArraysTuples.ts, 94, 47))
+>Unconstrained : Symbol(Unconstrained, Decl(mappedTypesArraysTuples.ts, 90, 1))
 
 type Constrained<T extends any[]> = ElementType<Mapped<T>>;
->Constrained : Symbol(Constrained, Decl(mappedTypesArraysTuples.ts, 96, 51))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 98, 17))
->ElementType : Symbol(ElementType, Decl(mappedTypesArraysTuples.ts, 74, 1))
->Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 78, 59))
->T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 98, 17))
+>Constrained : Symbol(Constrained, Decl(mappedTypesArraysTuples.ts, 95, 51))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 97, 17))
+>ElementType : Symbol(ElementType, Decl(mappedTypesArraysTuples.ts, 73, 1))
+>Mapped : Symbol(Mapped, Decl(mappedTypesArraysTuples.ts, 77, 59))
+>T : Symbol(T, Decl(mappedTypesArraysTuples.ts, 97, 17))
 
 type T2 = Constrained<[string, number, boolean]>;  // string | number | boolean
->T2 : Symbol(T2, Decl(mappedTypesArraysTuples.ts, 98, 59))
->Constrained : Symbol(Constrained, Decl(mappedTypesArraysTuples.ts, 96, 51))
+>T2 : Symbol(T2, Decl(mappedTypesArraysTuples.ts, 97, 59))
+>Constrained : Symbol(Constrained, Decl(mappedTypesArraysTuples.ts, 95, 51))
 
diff --git a/tests/baselines/reference/mappedTypesArraysTuples.types b/tests/baselines/reference/mappedTypesArraysTuples.types
index 2ec00ad565e3e..62fdd252f24f3 100644
--- a/tests/baselines/reference/mappedTypesArraysTuples.types
+++ b/tests/baselines/reference/mappedTypesArraysTuples.types
@@ -152,9 +152,6 @@ let y22 = nonpartial(x22);
 >nonpartial : <T>(x: Partial<T>) => T
 >x22 : { a: number | undefined; b?: string[] | undefined; }
 
-type Awaited<T> = T extends PromiseLike<infer U> ? U : T;
->Awaited : Awaited<T>
-
 type Awaitified<T> = { [P in keyof T]: Awaited<T[P]> };
 >Awaitified : Awaitified<T>
 
diff --git a/tests/baselines/reference/noImplicitReturnsInAsync1.types b/tests/baselines/reference/noImplicitReturnsInAsync1.types
index dd468d33e6e21..83d42b1d79483 100644
--- a/tests/baselines/reference/noImplicitReturnsInAsync1.types
+++ b/tests/baselines/reference/noImplicitReturnsInAsync1.types
@@ -15,8 +15,8 @@ async function test(isError: boolean = false) {
 >x : string
 >await Promise.resolve("The test is passed without an error.") : string
 >Promise.resolve("The test is passed without an error.") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"The test is passed without an error." : "The test is passed without an error."
 }
diff --git a/tests/baselines/reference/nonexistentPropertyAvailableOnPromisedType.errors.txt b/tests/baselines/reference/nonexistentPropertyAvailableOnPromisedType.errors.txt
deleted file mode 100644
index e898ec5e18f0b..0000000000000
--- a/tests/baselines/reference/nonexistentPropertyAvailableOnPromisedType.errors.txt
+++ /dev/null
@@ -1,10 +0,0 @@
-tests/cases/compiler/nonexistentPropertyAvailableOnPromisedType.ts(2,7): error TS2570: Property 'toLowerCase' does not exist on type 'Promise<string>'. Did you forget to use 'await'?
-
-
-==== tests/cases/compiler/nonexistentPropertyAvailableOnPromisedType.ts (1 errors) ====
-    function f(x: Promise<string>) {
-        x.toLowerCase();
-          ~~~~~~~~~~~
-!!! error TS2570: Property 'toLowerCase' does not exist on type 'Promise<string>'. Did you forget to use 'await'?
-    }
-    
\ No newline at end of file
diff --git a/tests/baselines/reference/nonexistentPropertyAvailableOnPromisedType.js b/tests/baselines/reference/nonexistentPropertyAvailableOnPromisedType.js
deleted file mode 100644
index f07ed7b9ddfdf..0000000000000
--- a/tests/baselines/reference/nonexistentPropertyAvailableOnPromisedType.js
+++ /dev/null
@@ -1,10 +0,0 @@
-//// [nonexistentPropertyAvailableOnPromisedType.ts]
-function f(x: Promise<string>) {
-    x.toLowerCase();
-}
-
-
-//// [nonexistentPropertyAvailableOnPromisedType.js]
-function f(x) {
-    x.toLowerCase();
-}
diff --git a/tests/baselines/reference/nonexistentPropertyAvailableOnPromisedType.symbols b/tests/baselines/reference/nonexistentPropertyAvailableOnPromisedType.symbols
deleted file mode 100644
index 6c2dab4aaf250..0000000000000
--- a/tests/baselines/reference/nonexistentPropertyAvailableOnPromisedType.symbols
+++ /dev/null
@@ -1,10 +0,0 @@
-=== tests/cases/compiler/nonexistentPropertyAvailableOnPromisedType.ts ===
-function f(x: Promise<string>) {
->f : Symbol(f, Decl(nonexistentPropertyAvailableOnPromisedType.ts, 0, 0))
->x : Symbol(x, Decl(nonexistentPropertyAvailableOnPromisedType.ts, 0, 11))
->Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --))
-
-    x.toLowerCase();
->x : Symbol(x, Decl(nonexistentPropertyAvailableOnPromisedType.ts, 0, 11))
-}
-
diff --git a/tests/baselines/reference/nonexistentPropertyAvailableOnPromisedType.types b/tests/baselines/reference/nonexistentPropertyAvailableOnPromisedType.types
deleted file mode 100644
index 3489f83ed655e..0000000000000
--- a/tests/baselines/reference/nonexistentPropertyAvailableOnPromisedType.types
+++ /dev/null
@@ -1,12 +0,0 @@
-=== tests/cases/compiler/nonexistentPropertyAvailableOnPromisedType.ts ===
-function f(x: Promise<string>) {
->f : (x: Promise<string>) => void
->x : Promise<string>
-
-    x.toLowerCase();
->x.toLowerCase() : any
->x.toLowerCase : any
->x : Promise<string>
->toLowerCase : any
-}
-
diff --git a/tests/baselines/reference/project/jsFileCompilationDifferentNamesNotSpecifiedWithAllowJs/amd/jsFileCompilationDifferentNamesNotSpecifiedWithAllowJs.errors.txt b/tests/baselines/reference/project/jsFileCompilationDifferentNamesNotSpecifiedWithAllowJs/amd/jsFileCompilationDifferentNamesNotSpecifiedWithAllowJs.errors.txt
deleted file mode 100644
index f7028d0655075..0000000000000
--- a/tests/baselines/reference/project/jsFileCompilationDifferentNamesNotSpecifiedWithAllowJs/amd/jsFileCompilationDifferentNamesNotSpecifiedWithAllowJs.errors.txt
+++ /dev/null
@@ -1,16 +0,0 @@
-DifferentNamesNotSpecifiedWithAllowJs/tsconfig.json(4,5): error TS5053: Option 'allowJs' cannot be specified with option 'declaration'.
-
-
-==== DifferentNamesNotSpecifiedWithAllowJs/tsconfig.json (1 errors) ====
-    {
-      "compilerOptions": {
-        "out": "test.js",
-        "allowJs": true
-        ~~~~~~~~~
-!!! error TS5053: Option 'allowJs' cannot be specified with option 'declaration'.
-      }
-    }
-==== DifferentNamesNotSpecifiedWithAllowJs/a.ts (0 errors) ====
-    var test = 10;
-==== DifferentNamesNotSpecifiedWithAllowJs/b.js (0 errors) ====
-    var test2 = 10; // Should get compiled
\ No newline at end of file
diff --git a/tests/baselines/reference/project/jsFileCompilationDifferentNamesSpecifiedWithAllowJs/amd/jsFileCompilationDifferentNamesSpecifiedWithAllowJs.errors.txt b/tests/baselines/reference/project/jsFileCompilationDifferentNamesSpecifiedWithAllowJs/amd/jsFileCompilationDifferentNamesSpecifiedWithAllowJs.errors.txt
deleted file mode 100644
index 1c5034be858bc..0000000000000
--- a/tests/baselines/reference/project/jsFileCompilationDifferentNamesSpecifiedWithAllowJs/amd/jsFileCompilationDifferentNamesSpecifiedWithAllowJs.errors.txt
+++ /dev/null
@@ -1,17 +0,0 @@
-DifferentNamesSpecifiedWithAllowJs/tsconfig.json(4,5): error TS5053: Option 'allowJs' cannot be specified with option 'declaration'.
-
-
-==== DifferentNamesSpecifiedWithAllowJs/tsconfig.json (1 errors) ====
-    {
-      "compilerOptions": {
-        "out": "test.js",
-        "allowJs": true
-        ~~~~~~~~~
-!!! error TS5053: Option 'allowJs' cannot be specified with option 'declaration'.
-      },
-      "files": [ "a.ts", "b.js" ]
-    }
-==== DifferentNamesSpecifiedWithAllowJs/a.ts (0 errors) ====
-    var test = 10;
-==== DifferentNamesSpecifiedWithAllowJs/b.js (0 errors) ====
-    var test2 = 10; // Should get compiled
\ No newline at end of file
diff --git a/tests/baselines/reference/project/jsFileCompilationSameNameDTsSpecifiedWithAllowJs/amd/jsFileCompilationSameNameDTsSpecifiedWithAllowJs.errors.txt b/tests/baselines/reference/project/jsFileCompilationSameNameDTsSpecifiedWithAllowJs/amd/jsFileCompilationSameNameDTsSpecifiedWithAllowJs.errors.txt
deleted file mode 100644
index 1a625b3fe7d6f..0000000000000
--- a/tests/baselines/reference/project/jsFileCompilationSameNameDTsSpecifiedWithAllowJs/amd/jsFileCompilationSameNameDTsSpecifiedWithAllowJs.errors.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-SameNameDTsSpecifiedWithAllowJs/tsconfig.json(2,24): error TS5053: Option 'allowJs' cannot be specified with option 'declaration'.
-
-
-==== SameNameDTsSpecifiedWithAllowJs/tsconfig.json (1 errors) ====
-    {
-      "compilerOptions": { "allowJs": true },
-                           ~~~~~~~~~
-!!! error TS5053: Option 'allowJs' cannot be specified with option 'declaration'.
-      "files": [ "a.d.ts" ]
-    }
-==== SameNameDTsSpecifiedWithAllowJs/a.d.ts (0 errors) ====
-    declare var test: number;
\ No newline at end of file
diff --git a/tests/baselines/reference/project/jsFileCompilationSameNameDTsSpecifiedWithAllowJs/node/jsFileCompilationSameNameDTsSpecifiedWithAllowJs.errors.txt b/tests/baselines/reference/project/jsFileCompilationSameNameDTsSpecifiedWithAllowJs/node/jsFileCompilationSameNameDTsSpecifiedWithAllowJs.errors.txt
deleted file mode 100644
index 1a625b3fe7d6f..0000000000000
--- a/tests/baselines/reference/project/jsFileCompilationSameNameDTsSpecifiedWithAllowJs/node/jsFileCompilationSameNameDTsSpecifiedWithAllowJs.errors.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-SameNameDTsSpecifiedWithAllowJs/tsconfig.json(2,24): error TS5053: Option 'allowJs' cannot be specified with option 'declaration'.
-
-
-==== SameNameDTsSpecifiedWithAllowJs/tsconfig.json (1 errors) ====
-    {
-      "compilerOptions": { "allowJs": true },
-                           ~~~~~~~~~
-!!! error TS5053: Option 'allowJs' cannot be specified with option 'declaration'.
-      "files": [ "a.d.ts" ]
-    }
-==== SameNameDTsSpecifiedWithAllowJs/a.d.ts (0 errors) ====
-    declare var test: number;
\ No newline at end of file
diff --git a/tests/baselines/reference/project/jsFileCompilationSameNameFilesNotSpecifiedWithAllowJs/amd/jsFileCompilationSameNameFilesNotSpecifiedWithAllowJs.errors.txt b/tests/baselines/reference/project/jsFileCompilationSameNameFilesNotSpecifiedWithAllowJs/amd/jsFileCompilationSameNameFilesNotSpecifiedWithAllowJs.errors.txt
deleted file mode 100644
index 99e057bb6d05d..0000000000000
--- a/tests/baselines/reference/project/jsFileCompilationSameNameFilesNotSpecifiedWithAllowJs/amd/jsFileCompilationSameNameFilesNotSpecifiedWithAllowJs.errors.txt
+++ /dev/null
@@ -1,9 +0,0 @@
-SameNameFilesNotSpecifiedWithAllowJs/tsconfig.json(1,24): error TS5053: Option 'allowJs' cannot be specified with option 'declaration'.
-
-
-==== SameNameFilesNotSpecifiedWithAllowJs/tsconfig.json (1 errors) ====
-    { "compilerOptions": { "allowJs": true } }
-                           ~~~~~~~~~
-!!! error TS5053: Option 'allowJs' cannot be specified with option 'declaration'.
-==== SameNameFilesNotSpecifiedWithAllowJs/a.ts (0 errors) ====
-    var test = 10;
\ No newline at end of file
diff --git a/tests/baselines/reference/project/jsFileCompilationSameNameFilesNotSpecifiedWithAllowJs/node/jsFileCompilationSameNameFilesNotSpecifiedWithAllowJs.errors.txt b/tests/baselines/reference/project/jsFileCompilationSameNameFilesNotSpecifiedWithAllowJs/node/jsFileCompilationSameNameFilesNotSpecifiedWithAllowJs.errors.txt
deleted file mode 100644
index 99e057bb6d05d..0000000000000
--- a/tests/baselines/reference/project/jsFileCompilationSameNameFilesNotSpecifiedWithAllowJs/node/jsFileCompilationSameNameFilesNotSpecifiedWithAllowJs.errors.txt
+++ /dev/null
@@ -1,9 +0,0 @@
-SameNameFilesNotSpecifiedWithAllowJs/tsconfig.json(1,24): error TS5053: Option 'allowJs' cannot be specified with option 'declaration'.
-
-
-==== SameNameFilesNotSpecifiedWithAllowJs/tsconfig.json (1 errors) ====
-    { "compilerOptions": { "allowJs": true } }
-                           ~~~~~~~~~
-!!! error TS5053: Option 'allowJs' cannot be specified with option 'declaration'.
-==== SameNameFilesNotSpecifiedWithAllowJs/a.ts (0 errors) ====
-    var test = 10;
\ No newline at end of file
diff --git a/tests/baselines/reference/project/jsFileCompilationSameNameFilesSpecifiedWithAllowJs/amd/jsFileCompilationSameNameFilesSpecifiedWithAllowJs.errors.txt b/tests/baselines/reference/project/jsFileCompilationSameNameFilesSpecifiedWithAllowJs/amd/jsFileCompilationSameNameFilesSpecifiedWithAllowJs.errors.txt
deleted file mode 100644
index f956b6780844e..0000000000000
--- a/tests/baselines/reference/project/jsFileCompilationSameNameFilesSpecifiedWithAllowJs/amd/jsFileCompilationSameNameFilesSpecifiedWithAllowJs.errors.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-SameNameTsSpecifiedWithAllowJs/tsconfig.json(2,24): error TS5053: Option 'allowJs' cannot be specified with option 'declaration'.
-
-
-==== SameNameTsSpecifiedWithAllowJs/tsconfig.json (1 errors) ====
-    {
-      "compilerOptions": { "allowJs": true },
-                           ~~~~~~~~~
-!!! error TS5053: Option 'allowJs' cannot be specified with option 'declaration'.
-      "files": [ "a.ts" ]
-    }
-==== SameNameTsSpecifiedWithAllowJs/a.ts (0 errors) ====
-    var test = 10;
\ No newline at end of file
diff --git a/tests/baselines/reference/project/jsFileCompilationSameNameFilesSpecifiedWithAllowJs/node/jsFileCompilationSameNameFilesSpecifiedWithAllowJs.errors.txt b/tests/baselines/reference/project/jsFileCompilationSameNameFilesSpecifiedWithAllowJs/node/jsFileCompilationSameNameFilesSpecifiedWithAllowJs.errors.txt
deleted file mode 100644
index f956b6780844e..0000000000000
--- a/tests/baselines/reference/project/jsFileCompilationSameNameFilesSpecifiedWithAllowJs/node/jsFileCompilationSameNameFilesSpecifiedWithAllowJs.errors.txt
+++ /dev/null
@@ -1,12 +0,0 @@
-SameNameTsSpecifiedWithAllowJs/tsconfig.json(2,24): error TS5053: Option 'allowJs' cannot be specified with option 'declaration'.
-
-
-==== SameNameTsSpecifiedWithAllowJs/tsconfig.json (1 errors) ====
-    {
-      "compilerOptions": { "allowJs": true },
-                           ~~~~~~~~~
-!!! error TS5053: Option 'allowJs' cannot be specified with option 'declaration'.
-      "files": [ "a.ts" ]
-    }
-==== SameNameTsSpecifiedWithAllowJs/a.ts (0 errors) ====
-    var test = 10;
\ No newline at end of file
diff --git a/tests/baselines/reference/promisePermutations.errors.txt b/tests/baselines/reference/promisePermutations.errors.txt
index 8b70977a0e5a2..2904b5f51b9f9 100644
--- a/tests/baselines/reference/promisePermutations.errors.txt
+++ b/tests/baselines/reference/promisePermutations.errors.txt
@@ -447,7 +447,7 @@ tests/cases/compiler/promisePermutations.ts(160,21): error TS2769: No overload m
 !!! error TS2769:   The last overload gave the following error.
 !!! error TS2769:     Argument of type '(x: any) => IPromise<string>' is not assignable to parameter of type '(error: any) => Promise<number>'.
 !!! error TS2769:       Property 'catch' is missing in type 'IPromise<string>' but required in type 'Promise<number>'.
-!!! related TS2728 /.ts/lib.es5.d.ts:1430:5: 'catch' is declared here.
+!!! related TS2728 /.ts/lib.es5.d.ts:1435:5: 'catch' is declared here.
 !!! related TS2771 tests/cases/compiler/promisePermutations.ts:5:5: The last overload is declared here.
     var s10g = s10.then(testFunctionP, nIPromise, sIPromise).then(sPromise, sIPromise, sIPromise); // ok
     
diff --git a/tests/baselines/reference/promisePermutations2.errors.txt b/tests/baselines/reference/promisePermutations2.errors.txt
index bc676c9dd5e85..dcc5013532b5c 100644
--- a/tests/baselines/reference/promisePermutations2.errors.txt
+++ b/tests/baselines/reference/promisePermutations2.errors.txt
@@ -351,7 +351,7 @@ tests/cases/compiler/promisePermutations2.ts(159,21): error TS2345: Argument of
                                        ~~~~~~~~~
 !!! error TS2345: Argument of type '(x: any) => IPromise<string>' is not assignable to parameter of type '(error: any) => Promise<number>'.
 !!! error TS2345:   Property 'catch' is missing in type 'IPromise<string>' but required in type 'Promise<number>'.
-!!! related TS2728 /.ts/lib.es5.d.ts:1430:5: 'catch' is declared here.
+!!! related TS2728 /.ts/lib.es5.d.ts:1435:5: 'catch' is declared here.
     var s10g = s10.then(testFunctionP, nIPromise, sIPromise).then(sPromise, sIPromise, sIPromise); // ok
     
     var r11: IPromise<number>;
diff --git a/tests/baselines/reference/promisePermutations3.errors.txt b/tests/baselines/reference/promisePermutations3.errors.txt
index 7467009abce93..c971cb35d64d6 100644
--- a/tests/baselines/reference/promisePermutations3.errors.txt
+++ b/tests/baselines/reference/promisePermutations3.errors.txt
@@ -398,7 +398,7 @@ tests/cases/compiler/promisePermutations3.ts(165,21): error TS2345: Argument of
 !!! error TS2769:   The last overload gave the following error.
 !!! error TS2769:     Argument of type '(x: any) => IPromise<string>' is not assignable to parameter of type '(error: any) => Promise<number>'.
 !!! error TS2769:       Property 'catch' is missing in type 'IPromise<string>' but required in type 'Promise<number>'.
-!!! related TS2728 /.ts/lib.es5.d.ts:1430:5: 'catch' is declared here.
+!!! related TS2728 /.ts/lib.es5.d.ts:1435:5: 'catch' is declared here.
 !!! related TS2771 tests/cases/compiler/promisePermutations3.ts:7:5: The last overload is declared here.
     var s10g = s10.then(testFunctionP, nIPromise, sIPromise).then(sPromise, sIPromise, sIPromise); // ok
     
@@ -445,5 +445,5 @@ tests/cases/compiler/promisePermutations3.ts(165,21): error TS2345: Argument of
                         ~~~~~~~~~~~~~~~
 !!! error TS2345: Argument of type '{ <T>(x: T): IPromise<T>; <T>(x: T, y: T): Promise<T>; }' is not assignable to parameter of type '(value: (x: any) => any) => Promise<unknown>'.
 !!! error TS2345:   Property 'catch' is missing in type 'IPromise<any>' but required in type 'Promise<unknown>'.
-!!! related TS2728 /.ts/lib.es5.d.ts:1430:5: 'catch' is declared here.
+!!! related TS2728 /.ts/lib.es5.d.ts:1435:5: 'catch' is declared here.
     var s12c = s12.then(testFunction12P, testFunction12, testFunction12); // ok
\ No newline at end of file
diff --git a/tests/baselines/reference/promiseType.js b/tests/baselines/reference/promiseType.js
index 84d9d713b4810..107a57f790afc 100644
--- a/tests/baselines/reference/promiseType.js
+++ b/tests/baselines/reference/promiseType.js
@@ -217,6 +217,20 @@ const pc6 = p.then(() => Promise.reject("1"), () => {});
 const pc7 = p.then(() => Promise.reject("1"), () => {throw 1});
 const pc8 = p.then(() => Promise.reject("1"), () => Promise.resolve(1));
 const pc9 = p.then(() => Promise.reject("1"), () => Promise.reject(1));
+
+const expected1: undefined = undefined as Awaited<undefined>;
+
+// #27711
+
+const expected2: Promise<string> = new Promise<Promise<string>>(() => {});
+
+// #28427
+
+Promise.all([undefined as Promise<string> | number]);
+
+Promise.resolve(undefined as Promise<string> | number);
+
+new Promise(undefined as (resolve: (value: Promise<string> | number) => void) => void);
 
 
 //// [promiseType.js]
@@ -440,3 +454,10 @@ const pc6 = p.then(() => Promise.reject("1"), () => { });
 const pc7 = p.then(() => Promise.reject("1"), () => { throw 1; });
 const pc8 = p.then(() => Promise.reject("1"), () => Promise.resolve(1));
 const pc9 = p.then(() => Promise.reject("1"), () => Promise.reject(1));
+const expected1 = undefined;
+// #27711
+const expected2 = new Promise(() => { });
+// #28427
+Promise.all([undefined]);
+Promise.resolve(undefined);
+new Promise(undefined);
diff --git a/tests/baselines/reference/promiseType.symbols b/tests/baselines/reference/promiseType.symbols
index cec81cd7d8266..e9d7f267612d6 100644
--- a/tests/baselines/reference/promiseType.symbols
+++ b/tests/baselines/reference/promiseType.symbols
@@ -1089,3 +1089,39 @@ const pc9 = p.then(() => Promise.reject("1"), () => Promise.reject(1));
 >Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
 >reject : Symbol(PromiseConstructor.reject, Decl(lib.es2015.promise.d.ts, --, --))
 
+const expected1: undefined = undefined as Awaited<undefined>;
+>expected1 : Symbol(expected1, Decl(promiseType.ts, 219, 5))
+>undefined : Symbol(undefined)
+>Awaited : Symbol(Awaited, Decl(lib.es5.d.ts, --, --))
+
+// #27711
+
+const expected2: Promise<string> = new Promise<Promise<string>>(() => {});
+>expected2 : Symbol(expected2, Decl(promiseType.ts, 223, 5))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+
+// #28427
+
+Promise.all([undefined as Promise<string> | number]);
+>Promise.all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>all : Symbol(PromiseConstructor.all, Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>undefined : Symbol(undefined)
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+
+Promise.resolve(undefined as Promise<string> | number);
+>Promise.resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>resolve : Symbol(PromiseConstructor.resolve, Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --))
+>undefined : Symbol(undefined)
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+
+new Promise(undefined as (resolve: (value: Promise<string> | number) => void) => void);
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+>undefined : Symbol(undefined)
+>resolve : Symbol(resolve, Decl(promiseType.ts, 231, 26))
+>value : Symbol(value, Decl(promiseType.ts, 231, 36))
+>Promise : Symbol(Promise, Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.promise.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --))
+
diff --git a/tests/baselines/reference/promiseType.types b/tests/baselines/reference/promiseType.types
index dd20fb656ea5a..e02cf31b1ef09 100644
--- a/tests/baselines/reference/promiseType.types
+++ b/tests/baselines/reference/promiseType.types
@@ -283,9 +283,9 @@ const p19 = p.catch(() => Promise.resolve(1));
 >catch : <TResult = never>(onrejected?: (reason: any) => TResult | PromiseLike<TResult>) => Promise<boolean | TResult>
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p20 = p.then(undefined);
@@ -365,9 +365,9 @@ const p28 = p.then(() => Promise.resolve(1));
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p29 = p.then(() => Promise.reject(1));
@@ -469,9 +469,9 @@ const p38 = p.then(undefined, () => Promise.resolve(1));
 >undefined : undefined
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p39 = p.then(undefined, () => Promise.reject(1));
@@ -574,9 +574,9 @@ const p48 = p.then(null, () => Promise.resolve(1));
 >null : null
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p49 = p.then(null, () => Promise.reject(1));
@@ -688,9 +688,9 @@ const p58 = p.then(() => "1", () => Promise.resolve(1));
 >"1" : "1"
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p59 = p.then(() => "1", () => Promise.reject(1));
@@ -803,9 +803,9 @@ const p68 = p.then(() => x, () => Promise.resolve(1));
 >x : any
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p69 = p.then(() => x, () => Promise.reject(1));
@@ -918,9 +918,9 @@ const p78 = p.then(() => undefined, () => Promise.resolve(1));
 >undefined : undefined
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p79 = p.then(() => undefined, () => Promise.reject(1));
@@ -1033,9 +1033,9 @@ const p88 = p.then(() => null, () => Promise.resolve(1));
 >null : null
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p89 = p.then(() => null, () => Promise.reject(1));
@@ -1139,9 +1139,9 @@ const p98 = p.then(() => {}, () => Promise.resolve(1));
 >() => {} : () => void
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p99 = p.then(() => {}, () => Promise.reject(1));
@@ -1253,9 +1253,9 @@ const pa8 = p.then(() => {throw 1}, () => Promise.resolve(1));
 >1 : 1
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const pa9 = p.then(() => {throw 1}, () => Promise.reject(1));
@@ -1281,9 +1281,9 @@ const pb0 = p.then(() => Promise.resolve("1"), undefined);
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >undefined : undefined
 
@@ -1295,9 +1295,9 @@ const pb1 = p.then(() => Promise.resolve("1"), null);
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >null : null
 
@@ -1309,9 +1309,9 @@ const pb2 = p.then(() => Promise.resolve("1"), () => 1);
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => 1 : () => number
 >1 : 1
@@ -1324,9 +1324,9 @@ const pb3 = p.then(() => Promise.resolve("1"), () => x);
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => x : () => any
 >x : any
@@ -1339,9 +1339,9 @@ const pb4 = p.then(() => Promise.resolve("1"), () => undefined);
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => undefined : () => any
 >undefined : undefined
@@ -1354,9 +1354,9 @@ const pb5 = p.then(() => Promise.resolve("1"), () => null);
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => null : () => any
 >null : null
@@ -1369,9 +1369,9 @@ const pb6 = p.then(() => Promise.resolve("1"), () => {});
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => {} : () => void
 
@@ -1383,9 +1383,9 @@ const pb7 = p.then(() => Promise.resolve("1"), () => {throw 1});
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => {throw 1} : () => never
 >1 : 1
@@ -1398,15 +1398,15 @@ const pb8 = p.then(() => Promise.resolve("1"), () => Promise.resolve(1));
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const pb9 = p.then(() => Promise.resolve("1"), () => Promise.reject(1));
@@ -1417,9 +1417,9 @@ const pb9 = p.then(() => Promise.resolve("1"), () => Promise.reject(1));
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: (value: boolean) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => Promise.reject(1) : () => Promise<never>
 >Promise.reject(1) : Promise<never>
@@ -1559,9 +1559,9 @@ const pc8 = p.then(() => Promise.reject("1"), () => Promise.resolve(1));
 >"1" : "1"
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const pc9 = p.then(() => Promise.reject("1"), () => Promise.reject(1));
@@ -1583,3 +1583,43 @@ const pc9 = p.then(() => Promise.reject("1"), () => Promise.reject(1));
 >reject : <T = never>(reason?: any) => Promise<T>
 >1 : 1
 
+const expected1: undefined = undefined as Awaited<undefined>;
+>expected1 : undefined
+>undefined as Awaited<undefined> : undefined
+>undefined : undefined
+
+// #27711
+
+const expected2: Promise<string> = new Promise<Promise<string>>(() => {});
+>expected2 : Promise<string>
+>new Promise<Promise<string>>(() => {}) : Promise<string>
+>Promise : PromiseConstructor
+>() => {} : () => void
+
+// #28427
+
+Promise.all([undefined as Promise<string> | number]);
+>Promise.all([undefined as Promise<string> | number]) : Promise<(string | number)[]>
+>Promise.all : { <TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
+>Promise : PromiseConstructor
+>all : { <TAll>(values: Iterable<TAll>): Promise<Awaited<TAll>[]>; <T extends readonly any[]>(values: T): Promise<{ -readonly [P in keyof T]: Awaited<T[P]>; }>; }
+>[undefined as Promise<string> | number] : (number | Promise<string>)[]
+>undefined as Promise<string> | number : number | Promise<string>
+>undefined : undefined
+
+Promise.resolve(undefined as Promise<string> | number);
+>Promise.resolve(undefined as Promise<string> | number) : Promise<string | number>
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
+>Promise : PromiseConstructor
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
+>undefined as Promise<string> | number : number | Promise<string>
+>undefined : undefined
+
+new Promise(undefined as (resolve: (value: Promise<string> | number) => void) => void);
+>new Promise(undefined as (resolve: (value: Promise<string> | number) => void) => void) : Promise<string | number>
+>Promise : PromiseConstructor
+>undefined as (resolve: (value: Promise<string> | number) => void) => void : (resolve: (value: number | Promise<string>) => void) => void
+>undefined : undefined
+>resolve : (value: number | Promise<string>) => void
+>value : number | Promise<string>
+
diff --git a/tests/baselines/reference/promiseTypeInference.errors.txt b/tests/baselines/reference/promiseTypeInference.errors.txt
index ada81bfb4962b..86dc5cdbd5f74 100644
--- a/tests/baselines/reference/promiseTypeInference.errors.txt
+++ b/tests/baselines/reference/promiseTypeInference.errors.txt
@@ -32,7 +32,7 @@ tests/cases/compiler/promiseTypeInference.ts(10,39): error TS2769: No overload m
 !!! error TS2769:           Types of parameters 'success' and 'onfulfilled' are incompatible.
 !!! error TS2769:             Type 'TResult1 | PromiseLike<TResult1>' is not assignable to type 'IPromise<TResult1 | TResult2>'.
 !!! error TS2769:               Type 'TResult1' is not assignable to type 'IPromise<TResult1 | TResult2>'.
-!!! related TS2728 /.ts/lib.es5.d.ts:1430:5: 'catch' is declared here.
+!!! related TS2728 /.ts/lib.es5.d.ts:1435:5: 'catch' is declared here.
 !!! related TS6502 tests/cases/compiler/promiseTypeInference.ts:2:23: The expected type comes from the return type of this signature.
-!!! related TS6502 /.ts/lib.es5.d.ts:1423:57: The expected type comes from the return type of this signature.
+!!! related TS6502 /.ts/lib.es5.d.ts:1428:57: The expected type comes from the return type of this signature.
     
\ No newline at end of file
diff --git a/tests/baselines/reference/promiseTypeStrictNull.types b/tests/baselines/reference/promiseTypeStrictNull.types
index 73d2f70346135..b1e391cad4321 100644
--- a/tests/baselines/reference/promiseTypeStrictNull.types
+++ b/tests/baselines/reference/promiseTypeStrictNull.types
@@ -283,9 +283,9 @@ const p19 = p.catch(() => Promise.resolve(1));
 >catch : <TResult = never>(onrejected?: ((reason: any) => TResult | PromiseLike<TResult>) | null | undefined) => Promise<boolean | TResult>
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p20 = p.then(undefined);
@@ -365,9 +365,9 @@ const p28 = p.then(() => Promise.resolve(1));
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p29 = p.then(() => Promise.reject(1));
@@ -469,9 +469,9 @@ const p38 = p.then(undefined, () => Promise.resolve(1));
 >undefined : undefined
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p39 = p.then(undefined, () => Promise.reject(1));
@@ -574,9 +574,9 @@ const p48 = p.then(null, () => Promise.resolve(1));
 >null : null
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p49 = p.then(null, () => Promise.reject(1));
@@ -688,9 +688,9 @@ const p58 = p.then(() => "1", () => Promise.resolve(1));
 >"1" : "1"
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p59 = p.then(() => "1", () => Promise.reject(1));
@@ -803,9 +803,9 @@ const p68 = p.then(() => x, () => Promise.resolve(1));
 >x : any
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p69 = p.then(() => x, () => Promise.reject(1));
@@ -918,9 +918,9 @@ const p78 = p.then(() => undefined, () => Promise.resolve(1));
 >undefined : undefined
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p79 = p.then(() => undefined, () => Promise.reject(1));
@@ -1033,9 +1033,9 @@ const p88 = p.then(() => null, () => Promise.resolve(1));
 >null : null
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p89 = p.then(() => null, () => Promise.reject(1));
@@ -1139,9 +1139,9 @@ const p98 = p.then(() => {}, () => Promise.resolve(1));
 >() => {} : () => void
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const p99 = p.then(() => {}, () => Promise.reject(1));
@@ -1253,9 +1253,9 @@ const pa8 = p.then(() => {throw 1}, () => Promise.resolve(1));
 >1 : 1
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const pa9 = p.then(() => {throw 1}, () => Promise.reject(1));
@@ -1281,9 +1281,9 @@ const pb0 = p.then(() => Promise.resolve("1"), undefined);
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >undefined : undefined
 
@@ -1295,9 +1295,9 @@ const pb1 = p.then(() => Promise.resolve("1"), null);
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >null : null
 
@@ -1309,9 +1309,9 @@ const pb2 = p.then(() => Promise.resolve("1"), () => 1);
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => 1 : () => number
 >1 : 1
@@ -1324,9 +1324,9 @@ const pb3 = p.then(() => Promise.resolve("1"), () => x);
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => x : () => any
 >x : any
@@ -1339,9 +1339,9 @@ const pb4 = p.then(() => Promise.resolve("1"), () => undefined);
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => undefined : () => undefined
 >undefined : undefined
@@ -1354,9 +1354,9 @@ const pb5 = p.then(() => Promise.resolve("1"), () => null);
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => null : () => null
 >null : null
@@ -1369,9 +1369,9 @@ const pb6 = p.then(() => Promise.resolve("1"), () => {});
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => {} : () => void
 
@@ -1383,9 +1383,9 @@ const pb7 = p.then(() => Promise.resolve("1"), () => {throw 1});
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => {throw 1} : () => never
 >1 : 1
@@ -1398,15 +1398,15 @@ const pb8 = p.then(() => Promise.resolve("1"), () => Promise.resolve(1));
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const pb9 = p.then(() => Promise.resolve("1"), () => Promise.reject(1));
@@ -1417,9 +1417,9 @@ const pb9 = p.then(() => Promise.resolve("1"), () => Promise.reject(1));
 >then : <TResult1 = boolean, TResult2 = never>(onfulfilled?: ((value: boolean) => TResult1 | PromiseLike<TResult1>) | null | undefined, onrejected?: ((reason: any) => TResult2 | PromiseLike<TResult2>) | null | undefined) => Promise<TResult1 | TResult2>
 >() => Promise.resolve("1") : () => Promise<string>
 >Promise.resolve("1") : Promise<string>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >"1" : "1"
 >() => Promise.reject(1) : () => Promise<never>
 >Promise.reject(1) : Promise<never>
@@ -1559,9 +1559,9 @@ const pc8 = p.then(() => Promise.reject("1"), () => Promise.resolve(1));
 >"1" : "1"
 >() => Promise.resolve(1) : () => Promise<number>
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 const pc9 = p.then(() => Promise.reject("1"), () => Promise.reject(1));
diff --git a/tests/baselines/reference/promiseVoidErrorCallback.types b/tests/baselines/reference/promiseVoidErrorCallback.types
index a1388cb04ef69..525e6d73a5f18 100644
--- a/tests/baselines/reference/promiseVoidErrorCallback.types
+++ b/tests/baselines/reference/promiseVoidErrorCallback.types
@@ -19,9 +19,9 @@ function f1(): Promise<T1> {
 
     return Promise.resolve({ __t1: "foo_t1" });
 >Promise.resolve({ __t1: "foo_t1" }) : Promise<{ __t1: string; }>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >{ __t1: "foo_t1" } : { __t1: string; }
 >__t1 : string
 >"foo_t1" : "foo_t1"
diff --git a/tests/baselines/reference/showConfig/Shows tsconfig for single option/project/tsconfig.json b/tests/baselines/reference/showConfig/Shows tsconfig for single option/project/tsconfig.json
deleted file mode 100644
index cd727e8ccdc88..0000000000000
--- a/tests/baselines/reference/showConfig/Shows tsconfig for single option/project/tsconfig.json	
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-    "compilerOptions": {}
-}
diff --git a/tests/baselines/reference/showConfig/Shows tsconfig for single option/strictGeneratorTypes/tsconfig.json b/tests/baselines/reference/showConfig/Shows tsconfig for single option/strictGeneratorTypes/tsconfig.json
deleted file mode 100644
index 91f667ef73951..0000000000000
--- a/tests/baselines/reference/showConfig/Shows tsconfig for single option/strictGeneratorTypes/tsconfig.json	
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-    "compilerOptions": {
-        "strictGeneratorTypes": true
-    }
-}
diff --git a/tests/baselines/reference/taggedTemplateWithoutDeclaredHelper.errors.txt b/tests/baselines/reference/taggedTemplateWithoutDeclaredHelper.errors.txt
old mode 100755
new mode 100644
diff --git a/tests/baselines/reference/taggedTemplateWithoutDeclaredHelper.js b/tests/baselines/reference/taggedTemplateWithoutDeclaredHelper.js
old mode 100755
new mode 100644
diff --git a/tests/baselines/reference/taggedTemplateWithoutDeclaredHelper.symbols b/tests/baselines/reference/taggedTemplateWithoutDeclaredHelper.symbols
old mode 100755
new mode 100644
diff --git a/tests/baselines/reference/transformNestedGeneratorsWithTry.types b/tests/baselines/reference/transformNestedGeneratorsWithTry.types
index 061342eaf44b0..f6c66bb291c9c 100644
--- a/tests/baselines/reference/transformNestedGeneratorsWithTry.types
+++ b/tests/baselines/reference/transformNestedGeneratorsWithTry.types
@@ -16,9 +16,9 @@ async function a(): Bluebird<void> {
         await Bluebird.resolve(); // -- remove this and it compiles
 >await Bluebird.resolve() : void
 >Bluebird.resolve() : Promise<void>
->Bluebird.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Bluebird.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Bluebird : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 
       } catch (error) { }
 >error : any
diff --git a/tests/baselines/reference/types.asyncGenerators.es2018.1.types b/tests/baselines/reference/types.asyncGenerators.es2018.1.types
index 3c6e51c56d220..0d3a4e64201f7 100644
--- a/tests/baselines/reference/types.asyncGenerators.es2018.1.types
+++ b/tests/baselines/reference/types.asyncGenerators.es2018.1.types
@@ -21,9 +21,9 @@ async function * inferReturnType4() {
     yield Promise.resolve(1);
 >yield Promise.resolve(1) : any
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 }
 async function * inferReturnType5() {
@@ -36,9 +36,9 @@ async function * inferReturnType5() {
     yield Promise.resolve(2);
 >yield Promise.resolve(2) : any
 >Promise.resolve(2) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >2 : 2
 }
 async function * inferReturnType6() {
@@ -57,9 +57,9 @@ async function * inferReturnType7() {
 >yield* [Promise.resolve(1)] : any
 >[Promise.resolve(1)] : Promise<number>[]
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 }
 async function * inferReturnType8() {
@@ -89,9 +89,9 @@ const assignability2: () => AsyncIterableIterator<number> = async function * ()
     yield Promise.resolve(1);
 >yield Promise.resolve(1) : undefined
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 };
@@ -114,9 +114,9 @@ const assignability4: () => AsyncIterableIterator<number> = async function * ()
 >yield* [Promise.resolve(1)] : any
 >[Promise.resolve(1)] : Promise<number>[]
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 };
@@ -149,9 +149,9 @@ const assignability7: () => AsyncIterable<number> = async function * () {
     yield Promise.resolve(1);
 >yield Promise.resolve(1) : undefined
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 };
@@ -174,9 +174,9 @@ const assignability9: () => AsyncIterable<number> = async function * () {
 >yield* [Promise.resolve(1)] : any
 >[Promise.resolve(1)] : Promise<number>[]
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 };
@@ -209,9 +209,9 @@ const assignability12: () => AsyncIterator<number> = async function * () {
     yield Promise.resolve(1);
 >yield Promise.resolve(1) : undefined
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 };
@@ -234,9 +234,9 @@ const assignability14: () => AsyncIterator<number> = async function * () {
 >yield* [Promise.resolve(1)] : any
 >[Promise.resolve(1)] : Promise<number>[]
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 
 };
@@ -266,9 +266,9 @@ async function * explicitReturnType2(): AsyncIterableIterator<number> {
     yield Promise.resolve(1);
 >yield Promise.resolve(1) : undefined
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 }
 async function * explicitReturnType3(): AsyncIterableIterator<number> {
@@ -287,9 +287,9 @@ async function * explicitReturnType4(): AsyncIterableIterator<number> {
 >yield* [Promise.resolve(1)] : any
 >[Promise.resolve(1)] : Promise<number>[]
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 }
 async function * explicitReturnType5(): AsyncIterableIterator<number> {
@@ -316,9 +316,9 @@ async function * explicitReturnType7(): AsyncIterable<number> {
     yield Promise.resolve(1);
 >yield Promise.resolve(1) : undefined
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 }
 async function * explicitReturnType8(): AsyncIterable<number> {
@@ -337,9 +337,9 @@ async function * explicitReturnType9(): AsyncIterable<number> {
 >yield* [Promise.resolve(1)] : any
 >[Promise.resolve(1)] : Promise<number>[]
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 }
 async function * explicitReturnType10(): AsyncIterable<number> {
@@ -366,9 +366,9 @@ async function * explicitReturnType12(): AsyncIterator<number> {
     yield Promise.resolve(1);
 >yield Promise.resolve(1) : undefined
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 }
 async function * explicitReturnType13(): AsyncIterator<number> {
@@ -387,9 +387,9 @@ async function * explicitReturnType14(): AsyncIterator<number> {
 >yield* [Promise.resolve(1)] : any
 >[Promise.resolve(1)] : Promise<number>[]
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 }
 async function * explicitReturnType15(): AsyncIterator<number> {
@@ -425,9 +425,9 @@ async function * awaitedType2() {
 >x : number
 >await Promise.resolve(1) : number
 >Promise.resolve(1) : Promise<number>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >1 : 1
 }
 async function * nextType1(): { next(...args: [] | [number | PromiseLike<number>]): any } {
diff --git a/tests/baselines/reference/types.asyncGenerators.es2018.2.types b/tests/baselines/reference/types.asyncGenerators.es2018.2.types
index 8352487119937..da0ec5438da50 100644
--- a/tests/baselines/reference/types.asyncGenerators.es2018.2.types
+++ b/tests/baselines/reference/types.asyncGenerators.es2018.2.types
@@ -20,9 +20,9 @@ async function * inferReturnType3() {
     yield* Promise.resolve([1, 2]);
 >yield* Promise.resolve([1, 2]) : any
 >Promise.resolve([1, 2]) : Promise<number[]>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >[1, 2] : number[]
 >1 : 1
 >2 : 2
diff --git a/tests/baselines/reference/unionAndIntersectionInference1.types b/tests/baselines/reference/unionAndIntersectionInference1.types
index 72d60545e6a51..d7644511e0e2e 100644
--- a/tests/baselines/reference/unionAndIntersectionInference1.types
+++ b/tests/baselines/reference/unionAndIntersectionInference1.types
@@ -192,9 +192,9 @@ const createTestAsync = (): Promise<ITest> => Promise.resolve().then(() => ({ na
 >Promise.resolve().then(() => ({ name: 'test' })) : Promise<ITest | { name: "test"; }>
 >Promise.resolve().then : <TResult1 = void, TResult2 = never>(onfulfilled?: (value: void) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
 >Promise.resolve() : Promise<void>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >then : <TResult1 = void, TResult2 = never>(onfulfilled?: (value: void) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
 >() => ({ name: 'test' }) : () => { name: "test"; }
 >({ name: 'test' }) : { name: "test"; }
diff --git a/tests/baselines/reference/unionTypeInference.types b/tests/baselines/reference/unionTypeInference.types
index b8107f3c04d0a..c86be843b5477 100644
--- a/tests/baselines/reference/unionTypeInference.types
+++ b/tests/baselines/reference/unionTypeInference.types
@@ -221,18 +221,18 @@ async function fun<T>(deepPromised: DeepPromised<T>) {
 >deepPromisedWithIndexer : DeepPromised<{ [name: string]: {} | null | undefined; }>
 
         const awaitedValue = await value;
->awaitedValue : {} | ({ [containsPromises]?: true | undefined; } & {}) | null | undefined
->await value : {} | ({ [containsPromises]?: true | undefined; } & {}) | null | undefined
+>awaitedValue : {} | ({ [containsPromises]?: true | undefined; } & {}) | ({ [containsPromises]?: true | undefined; } & {}) | null | undefined
+>await value : {} | ({ [containsPromises]?: true | undefined; } & {}) | ({ [containsPromises]?: true | undefined; } & {}) | null | undefined
 >value : {} | ({ [containsPromises]?: true | undefined; } & {}) | Promise<{ [containsPromises]?: true | undefined; } & {}> | null | undefined
 
         if (awaitedValue)
->awaitedValue : {} | ({ [containsPromises]?: true | undefined; } & {}) | null | undefined
+>awaitedValue : {} | ({ [containsPromises]?: true | undefined; } & {}) | ({ [containsPromises]?: true | undefined; } & {}) | null | undefined
 
             await fun(awaitedValue);
 >await fun(awaitedValue) : void
 >fun(awaitedValue) : Promise<void>
 >fun : <T>(deepPromised: DeepPromised<T>) => Promise<void>
->awaitedValue : {} | ({ [containsPromises]?: true | undefined; } & {})
+>awaitedValue : {} | ({ [containsPromises]?: true | undefined; } & {}) | ({ [containsPromises]?: true | undefined; } & {})
     }
 }
 
diff --git a/tests/baselines/reference/uniqueSymbols.types b/tests/baselines/reference/uniqueSymbols.types
index a321593c11a8c..fca7c24c34fdc 100644
--- a/tests/baselines/reference/uniqueSymbols.types
+++ b/tests/baselines/reference/uniqueSymbols.types
@@ -400,9 +400,9 @@ const constInitToLReadonlyNestedTypeWithIndexedAccess: L["nested"]["readonlyNest
 const promiseForConstCall = Promise.resolve(constCall);
 >promiseForConstCall : Promise<unique symbol>
 >Promise.resolve(constCall) : Promise<unique symbol>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >constCall : unique symbol
 
 const arrayOfConstCall = [constCall];
diff --git a/tests/baselines/reference/uniqueSymbolsDeclarations.types b/tests/baselines/reference/uniqueSymbolsDeclarations.types
index bacdafc5680db..f2294efd5aec7 100644
--- a/tests/baselines/reference/uniqueSymbolsDeclarations.types
+++ b/tests/baselines/reference/uniqueSymbolsDeclarations.types
@@ -393,9 +393,9 @@ const constInitToLReadonlyNestedTypeWithIndexedAccess: L["nested"]["readonlyNest
 const promiseForConstCall = Promise.resolve(constCall);
 >promiseForConstCall : Promise<unique symbol>
 >Promise.resolve(constCall) : Promise<unique symbol>
->Promise.resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>Promise.resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >Promise : PromiseConstructor
->resolve : { <T>(value: T | PromiseLike<T>): Promise<T>; (): Promise<void>; }
+>resolve : { <T>(value: T): Promise<Awaited<T>>; (): Promise<void>; }
 >constCall : unique symbol
 
 const arrayOfConstCall = [constCall];
diff --git a/tests/baselines/reference/user/chrome-devtools-frontend.log b/tests/baselines/reference/user/chrome-devtools-frontend.log
index d5b8e7e7035f0..c18f4286f5b05 100644
--- a/tests/baselines/reference/user/chrome-devtools-frontend.log
+++ b/tests/baselines/reference/user/chrome-devtools-frontend.log
@@ -1,6 +1,6 @@
 Exit Code: 1
 Standard output:
-../../../../built/local/lib.es5.d.ts(1433,11): error TS2300: Duplicate identifier 'ArrayLike'.
+../../../../built/local/lib.es5.d.ts(1438,11): error TS2300: Duplicate identifier 'ArrayLike'.
 ../../../../node_modules/@types/node/globals.d.ts(168,13): error TS2403: Subsequent variable declarations must have the same type.  Variable 'module' must be of type '{}', but here has type 'NodeModule'.
 node_modules/chrome-devtools-frontend/front_end/Runtime.js(43,8): error TS2339: Property '_importScriptPathPrefix' does not exist on type 'Window & typeof globalThis'.
 node_modules/chrome-devtools-frontend/front_end/Runtime.js(77,16): error TS7014: Function type, which lacks return-type annotation, implicitly has an 'any' return type.
@@ -618,6 +618,7 @@ node_modules/chrome-devtools-frontend/front_end/audits2_worker/lighthouse/lighth
 node_modules/chrome-devtools-frontend/front_end/audits2_worker/lighthouse/lighthouse-background.js(9093,57): error TS2554: Expected 0-2 arguments, but got 3.
 node_modules/chrome-devtools-frontend/front_end/audits2_worker/lighthouse/lighthouse-background.js(9117,73): error TS2554: Expected 0-2 arguments, but got 3.
 node_modules/chrome-devtools-frontend/front_end/audits2_worker/lighthouse/lighthouse-background.js(9467,15): error TS2339: Property 'axe' does not exist on type 'Window & typeof globalThis'.
+node_modules/chrome-devtools-frontend/front_end/audits2_worker/lighthouse/lighthouse-background.js(9823,40): error TS2488: Type '{ [x: string]: any; }' must have a '[Symbol.iterator]()' method that returns an iterator.
 node_modules/chrome-devtools-frontend/front_end/audits2_worker/lighthouse/lighthouse-background.js(10092,16): error TS2304: Cannot find name 'd41d8cd98f00b204e9800998ecf8427e_LibraryDetectorTests'.
 node_modules/chrome-devtools-frontend/front_end/audits2_worker/lighthouse/lighthouse-background.js(10513,19): error TS2488: Type 'NodeListOf<Element>' must have a '[Symbol.iterator]()' method that returns an iterator.
 node_modules/chrome-devtools-frontend/front_end/audits2_worker/lighthouse/lighthouse-background.js(10811,19): error TS2304: Cannot find name 'getElementsInDocument'.
@@ -5046,21 +5047,7 @@ node_modules/chrome-devtools-frontend/front_end/elements/ComputedStyleWidget.js(
 node_modules/chrome-devtools-frontend/front_end/elements/ComputedStyleWidget.js(52,56): error TS2555: Expected at least 2 arguments, but got 1.
 node_modules/chrome-devtools-frontend/front_end/elements/ComputedStyleWidget.js(58,78): error TS2555: Expected at least 2 arguments, but got 1.
 node_modules/chrome-devtools-frontend/front_end/elements/ComputedStyleWidget.js(73,12): error TS2339: Property '_filterRegex' does not exist on type 'ComputedStyleWidget'.
-node_modules/chrome-devtools-frontend/front_end/elements/ComputedStyleWidget.js(91,24): error TS2769: No overload matches this call.
-  The last overload gave the following error.
-    Argument of type '(Promise<ComputedStyle> | Promise<CSSMatchedStyles>)[]' is not assignable to parameter of type 'Iterable<ComputedStyle | PromiseLike<ComputedStyle>>'.
-      The types returned by '[Symbol.iterator]().next(...)' are incompatible between these types.
-        Type 'IteratorResult<Promise<ComputedStyle> | Promise<CSSMatchedStyles>, any>' is not assignable to type 'IteratorResult<ComputedStyle | PromiseLike<ComputedStyle>, any>'.
-          Type 'IteratorYieldResult<Promise<ComputedStyle> | Promise<CSSMatchedStyles>>' is not assignable to type 'IteratorResult<ComputedStyle | PromiseLike<ComputedStyle>, any>'.
-            Type 'IteratorYieldResult<Promise<ComputedStyle> | Promise<CSSMatchedStyles>>' is not assignable to type 'IteratorYieldResult<ComputedStyle | PromiseLike<ComputedStyle>>'.
-              Type 'Promise<ComputedStyle> | Promise<CSSMatchedStyles>' is not assignable to type 'ComputedStyle | PromiseLike<ComputedStyle>'.
-                Type 'Promise<CSSMatchedStyles>' is not assignable to type 'ComputedStyle | PromiseLike<ComputedStyle>'.
-                  Type 'Promise<CSSMatchedStyles>' is not assignable to type 'PromiseLike<ComputedStyle>'.
-                    Types of property 'then' are incompatible.
-                      Type '<TResult1 = CSSMatchedStyles, TResult2 = never>(onfulfilled?: (value: CSSMatchedStyles) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<...>) => Promise<...>' is not assignable to type '<TResult1 = ComputedStyle, TResult2 = never>(onfulfilled?: (value: ComputedStyle) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<...>) => PromiseLike<...>'.
-                        Types of parameters 'onfulfilled' and 'onfulfilled' are incompatible.
-                          Types of parameters 'value' and 'value' are incompatible.
-                            Property 'computedStyle' is missing in type 'CSSMatchedStyles' but required in type 'ComputedStyle'.
+node_modules/chrome-devtools-frontend/front_end/elements/ComputedStyleWidget.js(91,34): error TS2339: Property 'spread' does not exist on type 'Promise<(CSSMatchedStyles | ComputedStyle)[]>'.
 node_modules/chrome-devtools-frontend/front_end/elements/ComputedStyleWidget.js(147,52): error TS2339: Property 'keysArray' does not exist on type 'Map<string, string>'.
 node_modules/chrome-devtools-frontend/front_end/elements/ComputedStyleWidget.js(179,50): error TS2339: Property 'createChild' does not exist on type 'Element'.
 node_modules/chrome-devtools-frontend/front_end/elements/ComputedStyleWidget.js(200,74): error TS2339: Property 'consume' does not exist on type 'Event'.
@@ -5349,21 +5336,6 @@ node_modules/chrome-devtools-frontend/front_end/elements/InspectElementModeContr
           Type 'T' is not assignable to type 'OverlayModel'.
 node_modules/chrome-devtools-frontend/front_end/elements/InspectElementModeController.js(91,24): error TS2694: Namespace 'Protocol' has no exported member 'Overlay'.
 node_modules/chrome-devtools-frontend/front_end/elements/MetricsSidebarPane.js(56,27): error TS2339: Property 'removeChildren' does not exist on type 'Element'.
-node_modules/chrome-devtools-frontend/front_end/elements/MetricsSidebarPane.js(82,24): error TS2769: No overload matches this call.
-  The last overload gave the following error.
-    Argument of type '(Promise<Map<string, string>> | Promise<InlineStyleResult>)[]' is not assignable to parameter of type 'Iterable<Map<string, string> | PromiseLike<Map<string, string>>>'.
-      The types returned by '[Symbol.iterator]().next(...)' are incompatible between these types.
-        Type 'IteratorResult<Promise<Map<string, string>> | Promise<InlineStyleResult>, any>' is not assignable to type 'IteratorResult<Map<string, string> | PromiseLike<Map<string, string>>, any>'.
-          Type 'IteratorYieldResult<Promise<Map<string, string>> | Promise<InlineStyleResult>>' is not assignable to type 'IteratorResult<Map<string, string> | PromiseLike<Map<string, string>>, any>'.
-            Type 'IteratorYieldResult<Promise<Map<string, string>> | Promise<InlineStyleResult>>' is not assignable to type 'IteratorYieldResult<Map<string, string> | PromiseLike<Map<string, string>>>'.
-              Type 'Promise<Map<string, string>> | Promise<InlineStyleResult>' is not assignable to type 'Map<string, string> | PromiseLike<Map<string, string>>'.
-                Type 'Promise<InlineStyleResult>' is not assignable to type 'Map<string, string> | PromiseLike<Map<string, string>>'.
-                  Type 'Promise<InlineStyleResult>' is not assignable to type 'PromiseLike<Map<string, string>>'.
-                    Types of property 'then' are incompatible.
-                      Type '<TResult1 = InlineStyleResult, TResult2 = never>(onfulfilled?: (value: InlineStyleResult) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<...>) => Promise<...>' is not assignable to type '<TResult1 = Map<string, string>, TResult2 = never>(onfulfilled?: (value: Map<string, string>) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<...>) => PromiseLike<...>'.
-                        Types of parameters 'onfulfilled' and 'onfulfilled' are incompatible.
-                          Types of parameters 'value' and 'value' are incompatible.
-                            Type 'InlineStyleResult' is missing the following properties from type 'Map<string, string>': clear, delete, forEach, get, and 8 more.
 node_modules/chrome-devtools-frontend/front_end/elements/MetricsSidebarPane.js(120,11): error TS2339: Property 'consume' does not exist on type 'Event'.
 node_modules/chrome-devtools-frontend/front_end/elements/MetricsSidebarPane.js(164,22): error TS2339: Property 'toFixedIfFloating' does not exist on type 'NumberConstructor'.
 node_modules/chrome-devtools-frontend/front_end/elements/MetricsSidebarPane.js(179,18): error TS2345: Argument of type 'string' is not assignable to parameter of type 'number'.
@@ -8326,6 +8298,15 @@ node_modules/chrome-devtools-frontend/front_end/profiler/HeapSnapshotProxy.js(85
 node_modules/chrome-devtools-frontend/front_end/profiler/HeapSnapshotProxy.js(129,14): error TS7014: Function type, which lacks return-type annotation, implicitly has an 'any' return type.
 node_modules/chrome-devtools-frontend/front_end/profiler/HeapSnapshotProxy.js(161,40): error TS2339: Property 'keysArray' does not exist on type 'Map<number, (arg0: any) => any>'.
 node_modules/chrome-devtools-frontend/front_end/profiler/HeapSnapshotProxy.js(231,15): error TS7014: Function type, which lacks return-type annotation, implicitly has an 'any' return type.
+node_modules/chrome-devtools-frontend/front_end/profiler/HeapSnapshotProxy.js(250,5): error TS2322: Type 'Promise<Awaited<T>>' is not assignable to type 'Promise<T>'.
+  Type 'Awaited<T>' is not assignable to type 'T'.
+    'Awaited<T>' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint '{}'.
+      Type 'T | (T extends PromiseLike<infer U> ? U : T extends { then(...args: any[]): any; } ? unknown : T)' is not assignable to type 'T'.
+        'T | (T extends PromiseLike<infer U> ? U : T extends { then(...args: any[]): any; } ? unknown : T)' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint '{}'.
+          Type 'T extends PromiseLike<infer U> ? U : T extends { then(...args: any[]): any; } ? unknown : T' is not assignable to type 'T'.
+            'T extends PromiseLike<infer U> ? U : T extends { then(...args: any[]): any; } ? unknown : T' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint '{}'.
+              Type 'unknown' is not assignable to type 'T'.
+                'unknown' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint '{}'.
 node_modules/chrome-devtools-frontend/front_end/profiler/HeapSnapshotProxy.js(263,14): error TS7014: Function type, which lacks return-type annotation, implicitly has an 'any' return type.
 node_modules/chrome-devtools-frontend/front_end/profiler/HeapSnapshotProxy.js(284,16): error TS2555: Expected at least 2 arguments, but got 1.
 node_modules/chrome-devtools-frontend/front_end/profiler/HeapSnapshotProxy.js(286,43): error TS2555: Expected at least 4 arguments, but got 3.
@@ -9617,6 +9598,15 @@ node_modules/chrome-devtools-frontend/front_end/sdk/RemoteObject.js(370,31): err
 node_modules/chrome-devtools-frontend/front_end/sdk/RemoteObject.js(371,14): error TS7014: Function type, which lacks return-type annotation, implicitly has an 'any' return type.
 node_modules/chrome-devtools-frontend/front_end/sdk/RemoteObject.js(378,39): error TS1110: Type expected.
 node_modules/chrome-devtools-frontend/front_end/sdk/RemoteObject.js(379,31): error TS2694: Namespace 'Protocol' has no exported member 'Runtime'.
+node_modules/chrome-devtools-frontend/front_end/sdk/RemoteObject.js(384,5): error TS2322: Type 'Promise<Awaited<T>>' is not assignable to type 'Promise<T>'.
+  Type 'Awaited<T>' is not assignable to type 'T'.
+    'Awaited<T>' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint '{}'.
+      Type 'T | (T extends PromiseLike<infer U> ? U : T extends { then(...args: any[]): any; } ? unknown : T)' is not assignable to type 'T'.
+        'T | (T extends PromiseLike<infer U> ? U : T extends { then(...args: any[]): any; } ? unknown : T)' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint '{}'.
+          Type 'T extends PromiseLike<infer U> ? U : T extends { then(...args: any[]): any; } ? unknown : T' is not assignable to type 'T'.
+            'T extends PromiseLike<infer U> ? U : T extends { then(...args: any[]): any; } ? unknown : T' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint '{}'.
+              Type 'unknown' is not assignable to type 'T'.
+                'unknown' is assignable to the constraint of type 'T', but 'T' could be instantiated with a different subtype of constraint '{}'.
 node_modules/chrome-devtools-frontend/front_end/sdk/RemoteObject.js(420,24): error TS2694: Namespace 'Protocol' has no exported member 'Runtime'.
 node_modules/chrome-devtools-frontend/front_end/sdk/RemoteObject.js(422,24): error TS2694: Namespace 'Protocol' has no exported member 'Runtime'.
 node_modules/chrome-devtools-frontend/front_end/sdk/RemoteObject.js(423,24): error TS2694: Namespace 'Protocol' has no exported member 'Runtime'.
@@ -12649,8 +12639,8 @@ node_modules/chrome-devtools-frontend/front_end/ui/UIUtils.js(1910,22): error TS
 node_modules/chrome-devtools-frontend/front_end/ui/UIUtils.js(1911,22): error TS2339: Property 'constrain' does not exist on type 'NumberConstructor'.
 node_modules/chrome-devtools-frontend/front_end/ui/UIUtils.js(1912,22): error TS2339: Property 'constrain' does not exist on type 'NumberConstructor'.
 node_modules/chrome-devtools-frontend/front_end/ui/UIUtils.js(1913,22): error TS2339: Property 'constrain' does not exist on type 'NumberConstructor'.
-node_modules/chrome-devtools-frontend/front_end/ui/UIUtils.js(1943,50): error TS2345: Argument of type 'HTMLImageElement' is not assignable to parameter of type '(new (width?: number, height?: number) => HTMLImageElement) | PromiseLike<new (width?: number, height?: number) => HTMLImageElement>'.
-  Property 'then' is missing in type 'HTMLImageElement' but required in type 'PromiseLike<new (width?: number, height?: number) => HTMLImageElement>'.
+node_modules/chrome-devtools-frontend/front_end/ui/UIUtils.js(1943,50): error TS2345: Argument of type 'HTMLImageElement' is not assignable to parameter of type 'new (width?: number, height?: number) => HTMLImageElement'.
+  Type 'HTMLImageElement' provides no match for the signature 'new (width?: number, height?: number): HTMLImageElement'.
 node_modules/chrome-devtools-frontend/front_end/ui/UIUtils.js(1961,12): error TS7014: Function type, which lacks return-type annotation, implicitly has an 'any' return type.
 node_modules/chrome-devtools-frontend/front_end/ui/UIUtils.js(1966,23): error TS2339: Property 'type' does not exist on type 'Element'.
 node_modules/chrome-devtools-frontend/front_end/ui/UIUtils.js(1967,23): error TS2339: Property 'style' does not exist on type 'Element'.
@@ -12682,27 +12672,9 @@ node_modules/chrome-devtools-frontend/front_end/ui/View.js(326,21): error TS2339
 node_modules/chrome-devtools-frontend/front_end/ui/View.js(371,23): error TS2339: Property 'showView' does not exist on type '_Location'.
 node_modules/chrome-devtools-frontend/front_end/ui/View.js(440,18): error TS2339: Property 'tabIndex' does not exist on type 'Element'.
 node_modules/chrome-devtools-frontend/front_end/ui/View.js(454,38): error TS2339: Property 'hasFocus' does not exist on type 'Element'.
-node_modules/chrome-devtools-frontend/front_end/ui/View.js(461,44): error TS2769: No overload matches this call.
-  The last overload gave the following error.
-    Argument of type '(Promise<void> | Promise<ToolbarItem[]>)[]' is not assignable to parameter of type 'Iterable<void | PromiseLike<void>>'.
-      The types returned by '[Symbol.iterator]().next(...)' are incompatible between these types.
-        Type 'IteratorResult<Promise<void> | Promise<ToolbarItem[]>, any>' is not assignable to type 'IteratorResult<void | PromiseLike<void>, any>'.
-          Type 'IteratorYieldResult<Promise<void> | Promise<ToolbarItem[]>>' is not assignable to type 'IteratorResult<void | PromiseLike<void>, any>'.
-            Type 'IteratorYieldResult<Promise<void> | Promise<ToolbarItem[]>>' is not assignable to type 'IteratorYieldResult<void | PromiseLike<void>>'.
-              Type 'Promise<void> | Promise<ToolbarItem[]>' is not assignable to type 'void | PromiseLike<void>'.
-                Type 'Promise<ToolbarItem[]>' is not assignable to type 'void | PromiseLike<void>'.
-                  Type 'Promise<ToolbarItem[]>' is not assignable to type 'PromiseLike<void>'.
-                    Types of property 'then' are incompatible.
-                      Type '<TResult1 = ToolbarItem[], TResult2 = never>(onfulfilled?: (value: ToolbarItem[]) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<...>) => Promise<...>' is not assignable to type '<TResult1 = void, TResult2 = never>(onfulfilled?: (value: void) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => PromiseLike<...>'.
-                        Types of parameters 'onfulfilled' and 'onfulfilled' are incompatible.
-                          Types of parameters 'value' and 'value' are incompatible.
-                            Type 'ToolbarItem[]' is not assignable to type 'void'.
 node_modules/chrome-devtools-frontend/front_end/ui/View.js(495,24): error TS2339: Property 'createTextChild' does not exist on type 'Element'.
 node_modules/chrome-devtools-frontend/front_end/ui/View.js(496,24): error TS2339: Property 'tabIndex' does not exist on type 'Element'.
 node_modules/chrome-devtools-frontend/front_end/ui/View.js(501,25): error TS2339: Property 'createChild' does not exist on type 'Element'.
-node_modules/chrome-devtools-frontend/front_end/ui/View.js(520,44): error TS2769: No overload matches this call.
-  The last overload gave the following error.
-    Argument of type '(Promise<void> | Promise<ToolbarItem[]>)[]' is not assignable to parameter of type 'Iterable<void | PromiseLike<void>>'.
 node_modules/chrome-devtools-frontend/front_end/ui/View.js(556,36): error TS2339: Property 'keyCode' does not exist on type 'Event'.
 node_modules/chrome-devtools-frontend/front_end/ui/View.js(558,22): error TS2339: Property 'key' does not exist on type 'Event'.
 node_modules/chrome-devtools-frontend/front_end/ui/View.js(560,22): error TS2339: Property 'key' does not exist on type 'Event'.
diff --git a/tests/baselines/reference/user/fp-ts.log b/tests/baselines/reference/user/fp-ts.log
new file mode 100644
index 0000000000000..81d2d3d47e225
--- /dev/null
+++ b/tests/baselines/reference/user/fp-ts.log
@@ -0,0 +1,937 @@
+Exit Code: 1
+Standard output:
+src/Task.ts(78,5): error TS2322: Type 'Promise<Awaited<A>>' is not assignable to type 'Promise<A>'.
+  Type 'Awaited<A>' is not assignable to type 'A'.
+    Type 'A | (A extends PromiseLike<infer U> ? U : A extends { then(...args: any[]): any; } ? unknown : A)' is not assignable to type 'A'.
+      Type 'A extends PromiseLike<infer U> ? U : A extends { then(...args: any[]): any; } ? unknown : A' is not assignable to type 'A'.
+        Type 'unknown' is not assignable to type 'A'.
+src/Task.ts(90,16): error TS2322: Type 'Promise<Awaited<A>>' is not assignable to type 'Promise<A>'.
+  Type 'Awaited<A>' is not assignable to type 'A'.
+    Type 'A | (A extends PromiseLike<infer U> ? U : A extends { then(...args: any[]): any; } ? unknown : A)' is not assignable to type 'A'.
+      Type 'A extends PromiseLike<infer U> ? U : A extends { then(...args: any[]): any; } ? unknown : A' is not assignable to type 'A'.
+        Type 'unknown' is not assignable to type 'A'.
+src/Task.ts(99,16): error TS2322: Type 'Promise<Awaited<A>>' is not assignable to type 'Promise<A>'.
+  Type 'Awaited<A>' is not assignable to type 'A'.
+    Type 'A | (A extends PromiseLike<infer U> ? U : A extends { then(...args: any[]): any; } ? unknown : A)' is not assignable to type 'A'.
+      Type 'A extends PromiseLike<infer U> ? U : A extends { then(...args: any[]): any; } ? unknown : A' is not assignable to type 'A'.
+        Type 'unknown' is not assignable to type 'A'.
+src/Task.ts(123,70): error TS2349: This expression is not callable.
+  Not all constituents of type 'A | ((a: A) => B)' are callable.
+    Type 'A' has no call signatures.
+test/Applicative.ts(6,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Applicative.ts(7,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Apply.ts(8,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Apply.ts(9,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Apply.ts(44,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(75,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(78,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(85,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(92,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(104,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(130,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(135,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(145,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(150,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(155,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(160,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(165,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(170,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(175,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(180,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(185,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(190,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(196,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(204,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(214,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(222,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(228,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(234,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(244,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(249,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(254,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(285,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(293,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(312,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(320,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(334,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(340,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(348,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(353,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(358,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(364,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(368,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(374,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(381,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(389,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(403,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(408,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(413,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(417,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(429,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(436,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(443,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(447,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(454,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(461,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(465,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(472,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(481,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(491,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(499,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(507,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(514,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(521,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(554,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(585,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(591,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(596,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(607,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(612,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(618,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(626,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(637,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(644,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(651,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(661,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(674,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(675,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(691,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(698,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(717,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(722,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(728,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(733,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(773,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(780,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(787,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(794,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(820,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(826,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(832,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(838,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Array.ts(847,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/BooleanAlgebra.ts(9,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/BooleanAlgebra.ts(10,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/BooleanAlgebra.ts(32,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/BooleanAlgebra.ts(46,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/BooleanAlgebra.ts(68,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/BoundedDistributiveLattice.ts(5,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/BoundedDistributiveLattice.ts(6,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Choice.ts(6,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Choice.ts(7,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Choice.ts(15,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Compactable.ts(7,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Compactable.ts(8,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Console.ts(4,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Console.ts(5,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Console.ts(19,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Console.ts(33,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Console.ts(47,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Const.ts(8,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Const.ts(9,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Const.ts(15,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Const.ts(21,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Const.ts(26,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Const.ts(32,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Const.ts(38,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Date.ts(4,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Date.ts(5,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Date.ts(12,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(12,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(13,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(21,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(45,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(51,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(91,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(96,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(101,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(132,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(151,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(156,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(164,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(183,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(184,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(190,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(201,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(208,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(209,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(215,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(222,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(223,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(239,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(245,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(263,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(264,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(275,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(276,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(291,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(299,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(300,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(323,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(324,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(336,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(337,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(348,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(354,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(363,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(367,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(373,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(385,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(400,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(416,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(422,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(429,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(437,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(464,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(465,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(474,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(475,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(484,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(485,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(494,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(495,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(502,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(503,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(532,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(543,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Either.ts(548,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/EitherT.ts(8,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/EitherT.ts(9,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/EitherT.ts(16,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Eq.ts(4,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Eq.ts(5,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Eq.ts(17,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Eq.ts(34,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Eq.ts(42,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Eq.ts(48,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Field.ts(5,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Field.ts(6,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Field.ts(13,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Field.ts(19,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Filterable.ts(7,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Filterable.ts(8,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Foldable.ts(12,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Foldable.ts(13,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Foldable.ts(50,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Foldable.ts(54,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Foldable.ts(61,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/FoldableWithIndex.ts(6,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/FoldableWithIndex.ts(7,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Functor.ts(6,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Functor.ts(7,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/FunctorWithIndex.ts(5,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/FunctorWithIndex.ts(6,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IO.ts(7,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IO.ts(8,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IO.ts(15,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IO.ts(20,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IO.ts(28,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IO.ts(37,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(11,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(12,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(29,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(34,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(38,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(48,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(100,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(105,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(119,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(120,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(125,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(132,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(141,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(142,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(150,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(156,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(157,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(172,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(173,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(182,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(183,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(192,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(205,5): error TS2304: Cannot find name 'beforeEach'.
+test/IOEither.ts(209,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(214,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(219,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(224,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(229,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(234,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(239,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(245,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(247,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(252,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(260,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(267,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(276,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(288,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(295,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IOEither.ts(314,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IORef.ts(5,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IORef.ts(6,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IORef.ts(11,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IORef.ts(16,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/IORef.ts(22,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Identity.ts(10,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Identity.ts(11,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Identity.ts(18,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Identity.ts(26,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Identity.ts(33,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Identity.ts(42,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Identity.ts(49,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Identity.ts(57,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Identity.ts(66,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Identity.ts(71,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Identity.ts(78,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Identity.ts(85,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Identity.ts(91,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Identity.ts(98,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Identity.ts(104,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(47,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(48,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(52,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(63,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(74,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(90,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(106,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(135,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(145,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(211,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(281,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(337,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(402,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(431,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(455,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(467,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(479,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(496,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(501,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(508,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(576,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(620,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(621,5): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(622,7): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(637,5): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(638,7): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(648,7): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(665,7): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(681,7): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(695,7): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(715,7): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(730,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(733,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(743,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(763,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(772,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(783,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(803,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(815,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(827,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(843,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(865,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(891,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(904,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(919,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(920,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(937,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(954,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(967,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(990,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(1012,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(1026,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Map.ts(1038,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Monoid.ts(18,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Monoid.ts(19,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Monoid.ts(26,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Monoid.ts(30,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Monoid.ts(46,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Monoid.ts(54,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Monoid.ts(61,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Monoid.ts(68,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(43,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(44,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(48,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(52,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(57,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(62,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(66,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(71,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(76,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(81,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(85,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(96,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(102,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(107,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(112,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(119,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(124,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(131,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(137,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(143,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(149,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(157,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(162,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(167,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(172,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(176,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(182,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(191,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(204,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(230,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(236,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(243,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(265,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(270,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(277,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(284,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(291,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(316,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(320,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(324,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(330,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(338,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(344,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/NonEmptyArray.ts(350,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(16,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(17,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(21,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(29,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(34,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(39,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(56,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(66,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(72,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(81,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(91,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(133,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(141,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(150,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(159,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(178,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(184,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(190,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(201,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(216,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(221,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(232,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(241,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(251,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(259,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(267,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(275,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(283,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(289,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(294,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(299,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(306,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(317,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(323,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(329,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(336,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(343,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(349,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(356,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(364,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(372,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(385,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(391,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(396,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Option.ts(401,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/OptionT.ts(8,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/OptionT.ts(9,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/OptionT.ts(17,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/OptionT.ts(26,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/OptionT.ts(35,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/OptionT.ts(42,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/OptionT.ts(49,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/OptionT.ts(55,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ord.ts(20,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ord.ts(21,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ord.ts(28,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ord.ts(57,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ord.ts(63,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ord.ts(69,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ord.ts(78,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ord.ts(87,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ord.ts(94,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ord.ts(100,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ord.ts(106,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ord.ts(112,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ordering.ts(4,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ordering.ts(5,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ordering.ts(11,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ordering.ts(23,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ordering.ts(44,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Random.ts(4,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Random.ts(5,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Random.ts(10,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Random.ts(18,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Random.ts(27,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Reader.ts(11,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Reader.ts(12,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Reader.ts(17,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Reader.ts(21,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Reader.ts(28,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Reader.ts(34,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Reader.ts(45,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Reader.ts(56,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Reader.ts(61,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Reader.ts(69,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Reader.ts(74,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Reader.ts(80,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Reader.ts(85,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderEither.ts(10,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderEither.ts(11,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderEither.ts(18,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderEither.ts(27,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderEither.ts(36,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderEither.ts(42,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderEither.ts(47,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderEither.ts(66,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderEither.ts(67,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderEither.ts(83,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderEither.ts(86,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderEither.ts(91,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderEither.ts(96,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderEither.ts(101,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderEither.ts(107,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderEither.ts(111,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderEither.ts(115,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderEither.ts(119,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderEither.ts(122,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderEither.ts(134,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(11,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(12,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(13,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(20,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(28,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(34,5): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(35,7): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(43,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(48,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(53,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(62,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(67,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(72,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(78,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(88,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(93,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(104,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(115,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(116,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(122,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTask.ts(128,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(16,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(17,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(18,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(24,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(32,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(41,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(42,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(52,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(61,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(66,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(74,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(86,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(91,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(96,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(101,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(106,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(111,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(116,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(129,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(140,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(153,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(172,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(190,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(205,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(217,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(229,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(230,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(239,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(246,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(253,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(254,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(270,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(273,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(278,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(283,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(288,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(294,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(320,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(327,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(329,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(334,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(339,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(347,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(354,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(363,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(378,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(385,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(396,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(406,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(419,5): error TS2304: Cannot find name 'beforeEach'.
+test/ReaderTaskEither.ts(423,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(428,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(433,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(438,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(443,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(448,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(453,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(459,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(465,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/ReaderTaskEither.ts(471,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(17,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(18,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(28,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(34,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(39,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(52,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(59,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(67,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(75,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(83,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(90,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(96,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(126,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(137,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(141,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(149,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(154,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(159,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(167,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(175,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(180,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(184,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(191,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(212,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(218,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(226,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(235,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(242,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(249,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(256,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(261,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(266,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(273,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(280,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(285,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(311,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(318,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(322,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(328,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(335,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(342,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(346,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(350,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Record.ts(362,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ring.ts(5,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ring.ts(6,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ring.ts(15,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Ring.ts(19,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Semigroup.ts(19,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Semigroup.ts(20,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Semigroup.ts(27,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Semigroup.ts(31,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Semigroup.ts(35,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Semigroup.ts(39,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Semigroup.ts(58,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Semigroup.ts(62,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Semigroup.ts(66,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Semigroup.ts(70,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Semiring.ts(5,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Semiring.ts(6,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(47,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(48,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(54,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(61,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(67,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(73,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(78,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(87,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(92,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(101,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(119,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(123,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(127,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(155,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(162,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(169,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(173,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(178,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(183,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(187,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(194,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(199,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(208,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(218,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(239,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Set.ts(252,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Show.ts(4,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Show.ts(5,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Show.ts(10,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Show.ts(15,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Show.ts(20,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Show.ts(25,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/State.ts(5,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/State.ts(6,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/State.ts(10,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/State.ts(14,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/State.ts(18,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/State.ts(22,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/State.ts(27,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/State.ts(32,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/State.ts(38,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/State.ts(45,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(15,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(16,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(22,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(23,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(30,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(38,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(46,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(54,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(61,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(67,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(73,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(79,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(84,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(89,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(94,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(99,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(104,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(109,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(116,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(123,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(130,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(135,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(140,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(147,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(154,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(160,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(166,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/StateReaderTaskEither.ts(172,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Store.ts(8,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Store.ts(9,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Store.ts(14,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Store.ts(19,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Store.ts(24,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Store.ts(37,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Store.ts(48,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Strong.ts(5,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Strong.ts(6,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Strong.ts(13,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(9,3): error TS2322: Type 'Promise<Awaited<A>>' is not assignable to type 'Promise<A>'.
+  Type 'Awaited<A>' is not assignable to type 'A'.
+    Type 'A | (A extends PromiseLike<infer U> ? U : A extends { then(...args: any[]): any; } ? unknown : A)' is not assignable to type 'A'.
+      Type 'A extends PromiseLike<infer U> ? U : A extends { then(...args: any[]): any; } ? unknown : A' is not assignable to type 'A'.
+        Type 'unknown' is not assignable to type 'A'.
+test/Task.ts(15,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(16,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(19,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(24,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(29,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(34,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(43,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(46,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(51,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(56,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(62,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(63,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(69,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(77,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(84,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(85,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(96,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(108,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(109,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(117,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(118,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Task.ts(125,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(12,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(13,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(14,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(20,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(28,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(36,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(49,5): error TS2304: Cannot find name 'beforeEach'.
+test/TaskEither.ts(53,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(58,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(63,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(68,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(73,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(78,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(83,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(89,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(90,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(100,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(107,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(120,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(125,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(138,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(156,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(168,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(175,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(191,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(192,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(208,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(211,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(216,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(221,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(226,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(232,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(244,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(256,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(275,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(276,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(284,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(291,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(298,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(300,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(305,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(313,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(320,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(329,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(341,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(348,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(367,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskEither.ts(373,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskThese.ts(9,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskThese.ts(10,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskThese.ts(15,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskThese.ts(20,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskThese.ts(25,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskThese.ts(30,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskThese.ts(35,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskThese.ts(40,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskThese.ts(45,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskThese.ts(56,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskThese.ts(62,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskThese.ts(69,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskThese.ts(79,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskThese.ts(86,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskThese.ts(96,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskThese.ts(98,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskThese.ts(105,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/TaskThese.ts(110,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(11,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(12,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(27,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(40,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(47,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(55,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(65,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(66,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(74,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(82,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(88,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(111,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(125,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(137,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(143,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(149,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(154,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(159,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(165,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(171,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(178,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(184,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(190,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(196,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(211,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(222,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(234,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/These.ts(241,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Traced.ts(50,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Traced.ts(51,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Traced.ts(56,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Traced.ts(72,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Traced.ts(88,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Traced.ts(104,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Traced.ts(124,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Traversable.ts(10,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Traversable.ts(11,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tree.ts(9,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tree.ts(10,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tree.ts(17,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tree.ts(25,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tree.ts(32,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tree.ts(37,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tree.ts(44,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tree.ts(52,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tree.ts(59,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tree.ts(67,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tree.ts(75,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tree.ts(81,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tree.ts(128,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tree.ts(138,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tree.ts(144,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tree.ts(150,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tree.ts(161,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tuple.ts(9,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tuple.ts(10,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tuple.ts(14,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tuple.ts(19,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tuple.ts(23,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tuple.ts(45,3): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tuple.ts(46,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tuple.ts(52,5): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tuple.ts(58,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tuple.ts(65,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tuple.ts(69,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tuple.ts(76,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tuple.ts(80,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tuple.ts(86,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tuple.ts(91,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tuple.ts(99,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tuple.ts(110,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Tuple.ts(121,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Writer.ts(7,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Writer.ts(8,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Writer.ts(15,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Writer.ts(22,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Writer.ts(27,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Writer.ts(31,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Writer.ts(35,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Writer.ts(39,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Writer.ts(50,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/Writer.ts(61,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/boolean.ts(4,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/boolean.ts(5,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/function.ts(23,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/function.ts(24,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/function.ts(29,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/function.ts(36,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/function.ts(40,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/function.ts(44,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/function.ts(48,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/function.ts(52,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/function.ts(56,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/function.ts(60,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/function.ts(64,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/function.ts(68,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/function.ts(72,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/function.ts(86,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/function.ts(95,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/index.ts(28,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/index.ts(29,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/pipeable.ts(10,1): error TS2593: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/pipeable.ts(11,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/pipeable.ts(16,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/pipeable.ts(21,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/pipeable.ts(26,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/pipeable.ts(31,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/pipeable.ts(38,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/pipeable.ts(45,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/pipeable.ts(65,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/pipeable.ts(71,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/pipeable.ts(78,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/pipeable.ts(85,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/pipeable.ts(90,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/pipeable.ts(101,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/pipeable.ts(123,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/pipeable.ts(133,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+test/pipeable.ts(138,3): error TS2593: Cannot find name 'it'. Do you need to install type definitions for a test runner? Try `npm i @types/jest` or `npm i @types/mocha` and then add `jest` or `mocha` to the types field in your tsconfig.
+
+
+
+Standard error:
diff --git a/tests/baselines/reference/user/sift.log b/tests/baselines/reference/user/sift.log
new file mode 100644
index 0000000000000..198e2fd125bae
--- /dev/null
+++ b/tests/baselines/reference/user/sift.log
@@ -0,0 +1,7 @@
+Exit Code: 1
+Standard output:
+node_modules/sift/index.d.ts(80,15): error TS2307: Cannot find module './core'.
+
+
+
+Standard error:
diff --git a/tests/baselines/reference/user/uglify-js.log b/tests/baselines/reference/user/uglify-js.log
index acbb8c2dfa175..ba4059e5ed215 100644
--- a/tests/baselines/reference/user/uglify-js.log
+++ b/tests/baselines/reference/user/uglify-js.log
@@ -22,63 +22,63 @@ node_modules/uglify-js/lib/compress.js(1296,112): error TS2454: Variable 'args'
 node_modules/uglify-js/lib/compress.js(1297,29): error TS2532: Object is possibly 'undefined'.
 node_modules/uglify-js/lib/compress.js(1315,29): error TS2322: Type 'false' is not assignable to type 'number'.
 node_modules/uglify-js/lib/compress.js(1323,29): error TS2322: Type 'false' is not assignable to type 'never'.
-node_modules/uglify-js/lib/compress.js(1438,53): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(1549,38): error TS2339: Property 'parent' does not exist on type 'TreeTransformer'.
-node_modules/uglify-js/lib/compress.js(1573,38): error TS2339: Property 'parent' does not exist on type 'TreeTransformer'.
-node_modules/uglify-js/lib/compress.js(1588,46): error TS2339: Property 'parent' does not exist on type 'TreeTransformer'.
-node_modules/uglify-js/lib/compress.js(1619,39): error TS2339: Property 'parent' does not exist on type 'TreeTransformer'.
-node_modules/uglify-js/lib/compress.js(1651,38): error TS2339: Property 'parent' does not exist on type 'TreeTransformer'.
-node_modules/uglify-js/lib/compress.js(1667,39): error TS2339: Property 'parent' does not exist on type 'TreeTransformer'.
-node_modules/uglify-js/lib/compress.js(1764,42): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(1795,41): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(1917,49): error TS2345: Argument of type 'number[]' is not assignable to parameter of type '[number, number, ...never[]]'.
+node_modules/uglify-js/lib/compress.js(1441,53): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(1552,38): error TS2339: Property 'parent' does not exist on type 'TreeTransformer'.
+node_modules/uglify-js/lib/compress.js(1576,38): error TS2339: Property 'parent' does not exist on type 'TreeTransformer'.
+node_modules/uglify-js/lib/compress.js(1591,46): error TS2339: Property 'parent' does not exist on type 'TreeTransformer'.
+node_modules/uglify-js/lib/compress.js(1622,39): error TS2339: Property 'parent' does not exist on type 'TreeTransformer'.
+node_modules/uglify-js/lib/compress.js(1654,38): error TS2339: Property 'parent' does not exist on type 'TreeTransformer'.
+node_modules/uglify-js/lib/compress.js(1670,39): error TS2339: Property 'parent' does not exist on type 'TreeTransformer'.
+node_modules/uglify-js/lib/compress.js(1767,42): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(1798,41): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(1920,49): error TS2345: Argument of type 'number[]' is not assignable to parameter of type '[number, number, ...never[]]'.
   Type 'number[]' is missing the following properties from type '[number, number, ...never[]]': 0, 1
-node_modules/uglify-js/lib/compress.js(2248,59): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(2286,53): error TS2345: Argument of type 'any[]' is not assignable to parameter of type '[number, number, ...never[]]'.
+node_modules/uglify-js/lib/compress.js(2251,59): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(2289,53): error TS2345: Argument of type 'any[]' is not assignable to parameter of type '[number, number, ...never[]]'.
   Type 'any[]' is missing the following properties from type '[number, number, ...never[]]': 0, 1
-node_modules/uglify-js/lib/compress.js(2434,34): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(3148,55): error TS2345: Argument of type 'number' is not assignable to parameter of type 'string'.
-node_modules/uglify-js/lib/compress.js(3149,25): error TS2531: Object is possibly 'null'.
-node_modules/uglify-js/lib/compress.js(3149,55): error TS2363: The right-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type.
-node_modules/uglify-js/lib/compress.js(3149,56): error TS2531: Object is possibly 'null'.
-node_modules/uglify-js/lib/compress.js(3190,42): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(3269,33): error TS2532: Object is possibly 'undefined'.
-node_modules/uglify-js/lib/compress.js(3676,38): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(3702,29): error TS2322: Type '"f"' is not assignable to type 'boolean'.
-node_modules/uglify-js/lib/compress.js(3835,33): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(3888,29): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(3906,29): error TS2339: Property 'parent' does not exist on type 'TreeTransformer'.
-node_modules/uglify-js/lib/compress.js(4021,63): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(4151,12): error TS2339: Property 'push' does not exist on type 'TreeTransformer'.
-node_modules/uglify-js/lib/compress.js(4247,38): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(4268,24): error TS2339: Property 'parent' does not exist on type 'TreeTransformer'.
-node_modules/uglify-js/lib/compress.js(4278,28): error TS2339: Property 'parent' does not exist on type 'TreeTransformer'.
-node_modules/uglify-js/lib/compress.js(4363,32): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(4602,17): error TS2447: The '|=' operator is not allowed for boolean types. Consider using '||' instead.
-node_modules/uglify-js/lib/compress.js(4670,45): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(4781,33): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(4873,21): error TS2403: Subsequent variable declarations must have the same type.  Variable 'body' must be of type 'any[]', but here has type 'any'.
-node_modules/uglify-js/lib/compress.js(4888,21): error TS2403: Subsequent variable declarations must have the same type.  Variable 'body' must be of type 'any[]', but here has type 'any'.
-node_modules/uglify-js/lib/compress.js(4999,33): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(5149,17): error TS2403: Subsequent variable declarations must have the same type.  Variable 'body' must be of type 'any[]', but here has type 'any'.
-node_modules/uglify-js/lib/compress.js(5242,37): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(5491,57): error TS2345: Argument of type 'any[]' is not assignable to parameter of type '[string | RegExp, (string | undefined)?]'.
+node_modules/uglify-js/lib/compress.js(2437,34): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(3206,55): error TS2345: Argument of type 'number' is not assignable to parameter of type 'string'.
+node_modules/uglify-js/lib/compress.js(3207,25): error TS2531: Object is possibly 'null'.
+node_modules/uglify-js/lib/compress.js(3207,55): error TS2363: The right-hand side of an arithmetic operation must be of type 'any', 'number', 'bigint' or an enum type.
+node_modules/uglify-js/lib/compress.js(3207,56): error TS2531: Object is possibly 'null'.
+node_modules/uglify-js/lib/compress.js(3248,42): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(3327,33): error TS2532: Object is possibly 'undefined'.
+node_modules/uglify-js/lib/compress.js(3734,38): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(3760,29): error TS2322: Type '"f"' is not assignable to type 'boolean'.
+node_modules/uglify-js/lib/compress.js(3893,33): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(3946,29): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(3964,29): error TS2339: Property 'parent' does not exist on type 'TreeTransformer'.
+node_modules/uglify-js/lib/compress.js(4079,63): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(4209,12): error TS2339: Property 'push' does not exist on type 'TreeTransformer'.
+node_modules/uglify-js/lib/compress.js(4305,38): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(4326,24): error TS2339: Property 'parent' does not exist on type 'TreeTransformer'.
+node_modules/uglify-js/lib/compress.js(4336,28): error TS2339: Property 'parent' does not exist on type 'TreeTransformer'.
+node_modules/uglify-js/lib/compress.js(4421,32): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(4660,17): error TS2447: The '|=' operator is not allowed for boolean types. Consider using '||' instead.
+node_modules/uglify-js/lib/compress.js(4728,45): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(4839,33): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(4931,21): error TS2403: Subsequent variable declarations must have the same type.  Variable 'body' must be of type 'any[]', but here has type 'any'.
+node_modules/uglify-js/lib/compress.js(4946,21): error TS2403: Subsequent variable declarations must have the same type.  Variable 'body' must be of type 'any[]', but here has type 'any'.
+node_modules/uglify-js/lib/compress.js(5057,33): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(5207,17): error TS2403: Subsequent variable declarations must have the same type.  Variable 'body' must be of type 'any[]', but here has type 'any'.
+node_modules/uglify-js/lib/compress.js(5300,37): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(5549,57): error TS2345: Argument of type 'any[]' is not assignable to parameter of type '[string | RegExp, (string | undefined)?]'.
   Property '0' is missing in type 'any[]' but required in type '[string | RegExp, (string | undefined)?]'.
-node_modules/uglify-js/lib/compress.js(5655,45): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(5662,25): error TS2403: Subsequent variable declarations must have the same type.  Variable 'code' must be of type 'string', but here has type '{ get: () => string; toString: () => string; indent: (half: any) => void; indentation: () => number; current_width: () => number; should_break: () => boolean; has_parens: () => boolean; newline: () => void; print: (str: any) => void; ... 23 more ...; parent: (n: any) => any; }'.
-node_modules/uglify-js/lib/compress.js(5666,36): error TS2532: Object is possibly 'undefined'.
-node_modules/uglify-js/lib/compress.js(5671,41): error TS2339: Property 'get' does not exist on type 'string'.
-node_modules/uglify-js/lib/compress.js(6179,18): error TS2454: Variable 'is_strict_comparison' is used before being assigned.
-node_modules/uglify-js/lib/compress.js(6809,29): error TS2367: This condition will always return 'false' since the types 'boolean' and 'string' have no overlap.
-node_modules/uglify-js/lib/compress.js(6851,47): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(6932,39): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(7004,39): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(7010,41): error TS2554: Expected 0 arguments, but got 1.
-node_modules/uglify-js/lib/compress.js(7497,43): error TS2454: Variable 'property' is used before being assigned.
-node_modules/uglify-js/lib/compress.js(7512,25): error TS2403: Subsequent variable declarations must have the same type.  Variable 'value' must be of type 'number', but here has type 'any'.
-node_modules/uglify-js/lib/compress.js(7515,46): error TS2339: Property 'has_side_effects' does not exist on type 'number'.
-node_modules/uglify-js/lib/compress.js(7521,25): error TS2403: Subsequent variable declarations must have the same type.  Variable 'value' must be of type 'number', but here has type 'any'.
-node_modules/uglify-js/lib/compress.js(7554,34): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(5713,45): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(5720,25): error TS2403: Subsequent variable declarations must have the same type.  Variable 'code' must be of type 'string', but here has type '{ get: () => string; toString: () => string; indent: (half: any) => void; indentation: () => number; current_width: () => number; should_break: () => boolean; has_parens: () => boolean; newline: () => void; print: (str: any) => void; ... 23 more ...; parent: (n: any) => any; }'.
+node_modules/uglify-js/lib/compress.js(5724,36): error TS2532: Object is possibly 'undefined'.
+node_modules/uglify-js/lib/compress.js(5729,41): error TS2339: Property 'get' does not exist on type 'string'.
+node_modules/uglify-js/lib/compress.js(6236,18): error TS2454: Variable 'is_strict_comparison' is used before being assigned.
+node_modules/uglify-js/lib/compress.js(6860,29): error TS2367: This condition will always return 'false' since the types 'boolean' and 'string' have no overlap.
+node_modules/uglify-js/lib/compress.js(6902,47): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(6983,39): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(7055,39): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(7061,41): error TS2554: Expected 0 arguments, but got 1.
+node_modules/uglify-js/lib/compress.js(7548,43): error TS2454: Variable 'property' is used before being assigned.
+node_modules/uglify-js/lib/compress.js(7563,25): error TS2403: Subsequent variable declarations must have the same type.  Variable 'value' must be of type 'number', but here has type 'any'.
+node_modules/uglify-js/lib/compress.js(7566,46): error TS2339: Property 'has_side_effects' does not exist on type 'number'.
+node_modules/uglify-js/lib/compress.js(7572,25): error TS2403: Subsequent variable declarations must have the same type.  Variable 'value' must be of type 'number', but here has type 'any'.
+node_modules/uglify-js/lib/compress.js(7605,34): error TS2554: Expected 0 arguments, but got 1.
 node_modules/uglify-js/lib/minify.js(186,75): error TS2339: Property 'compress' does not exist on type 'Compressor'.
 node_modules/uglify-js/lib/mozilla-ast.js(566,33): error TS2554: Expected 0 arguments, but got 1.
 node_modules/uglify-js/lib/output.js(459,37): error TS2554: Expected 0 arguments, but got 1.
diff --git a/tests/baselines/reference/user/webpack.log b/tests/baselines/reference/user/webpack.log
index 477fb631ce75f..244f3088778c4 100644
--- a/tests/baselines/reference/user/webpack.log
+++ b/tests/baselines/reference/user/webpack.log
@@ -1,8 +1,8 @@
 Exit Code: 1
 Standard output:
 lib/ContextModule.js(436,34): error TS2341: Property 'moduleGraph' is private and only accessible within class 'ChunkGraph'.
-lib/ContextModule.js(464,34): error TS2341: Property 'moduleGraph' is private and only accessible within class 'ChunkGraph'.
-lib/ContextModule.js(769,34): error TS2341: Property 'moduleGraph' is private and only accessible within class 'ChunkGraph'.
+lib/ContextModule.js(465,34): error TS2341: Property 'moduleGraph' is private and only accessible within class 'ChunkGraph'.
+lib/ContextModule.js(767,34): error TS2341: Property 'moduleGraph' is private and only accessible within class 'ChunkGraph'.
 lib/Dependency.js(139,29): error TS2341: Property 'moduleGraph' is private and only accessible within class 'ChunkGraph'.
 lib/ExternalModule.js(284,54): error TS2341: Property 'moduleGraph' is private and only accessible within class 'ChunkGraph'.
 lib/Module.js(625,34): error TS2341: Property 'moduleGraph' is private and only accessible within class 'ChunkGraph'.
@@ -27,9 +27,9 @@ lib/MultiCompiler.js(144,6): error TS2300: Duplicate identifier 'outputFileSyste
 lib/MultiCompiler.js(153,6): error TS2300: Duplicate identifier 'intermediateFileSystem'.
 lib/dependencies/ExportsInfoDependency.js(81,9): error TS2341: Property 'moduleGraph' is private and only accessible within class 'ChunkGraph'.
 lib/dependencies/HarmonyExportImportedSpecifierDependency.js(567,40): error TS2341: Property 'moduleGraph' is private and only accessible within class 'ChunkGraph'.
-lib/dependencies/HarmonyImportDependency.js(169,37): error TS2341: Property 'moduleGraph' is private and only accessible within class 'ChunkGraph'.
-lib/dependencies/HarmonyImportDependency.js(171,36): error TS2341: Property 'moduleGraph' is private and only accessible within class 'ChunkGraph'.
-lib/dependencies/HarmonyImportDependency.js(177,19): error TS2341: Property 'moduleGraph' is private and only accessible within class 'ChunkGraph'.
+lib/dependencies/HarmonyImportDependency.js(195,37): error TS2341: Property 'moduleGraph' is private and only accessible within class 'ChunkGraph'.
+lib/dependencies/HarmonyImportDependency.js(197,36): error TS2341: Property 'moduleGraph' is private and only accessible within class 'ChunkGraph'.
+lib/dependencies/HarmonyImportDependency.js(203,19): error TS2341: Property 'moduleGraph' is private and only accessible within class 'ChunkGraph'.
 lib/dependencies/HarmonyImportSpecifierDependency.js(167,34): error TS2341: Property 'moduleGraph' is private and only accessible within class 'ChunkGraph'.
 lib/wasm/WasmChunkLoadingRuntimeModule.js(44,33): error TS2341: Property 'moduleGraph' is private and only accessible within class 'ChunkGraph'.
 
diff --git a/tests/cases/compiler/asyncFunctionReturnType.ts b/tests/cases/compiler/asyncFunctionReturnType.ts
index 3bd7a0e998ac2..d8c04e8ba6d60 100644
--- a/tests/cases/compiler/asyncFunctionReturnType.ts
+++ b/tests/cases/compiler/asyncFunctionReturnType.ts
@@ -63,14 +63,21 @@ async function fGenericIndexedTypeForExplicitPromiseOfAnyProp<TObj extends Obj>(
     return Promise.resolve<TObj["anyProp"]>(obj.anyProp);
 }
 
-async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
+async function fGenericIndexedTypeForKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
     return obj[key];
 }
 
-async function fGenericIndexedTypeForPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
+async function fGenericIndexedTypeForPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
     return Promise.resolve(obj[key]);
 }
 
-async function fGenericIndexedTypeForExplicitPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<TObj[K]> {
+async function fGenericIndexedTypeForExplicitPromiseOfKProp<TObj extends Obj, K extends keyof TObj>(obj: TObj, key: K): Promise<Awaited<TObj[K]>> {
     return Promise.resolve<TObj[K]>(obj[key]);
-}
\ No newline at end of file
+}
+
+// #27711
+
+async function fGeneric<T>(x: T) {
+    return x;
+}
+const expected: Promise<string> = fGeneric(undefined as Promise<string>);
diff --git a/tests/cases/compiler/correctOrderOfPromiseMethod.ts b/tests/cases/compiler/correctOrderOfPromiseMethod.ts
index 70c730c6b20b1..7ece852204825 100644
--- a/tests/cases/compiler/correctOrderOfPromiseMethod.ts
+++ b/tests/cases/compiler/correctOrderOfPromiseMethod.ts
@@ -17,7 +17,7 @@ async function countEverything(): Promise<number> {
     const [resultA, resultB] = await Promise.all([
         providerA(),
         providerB(),
-    ] as const);
+    ]);
 
     const dataA: A[] = resultA;
     const dataB: B[] = resultB;
@@ -26,3 +26,7 @@ async function countEverything(): Promise<number> {
     }
     return 0;
 }
+
+// #31179
+
+const expected: Promise<["a", "b", "c"]> = Promise.all(undefined as readonly ["a", "b", "c"]);
diff --git a/tests/cases/compiler/includeEs2015Promise.ts b/tests/cases/compiler/includeEs2015Promise.ts
new file mode 100644
index 0000000000000..ea3e6679ecde4
--- /dev/null
+++ b/tests/cases/compiler/includeEs2015Promise.ts
@@ -0,0 +1,2 @@
+// @lib: es5,es2015.promise
+// @skipDefaultLibCheck: false
diff --git a/tests/cases/compiler/promiseType.ts b/tests/cases/compiler/promiseType.ts
index ba4a7f6041396..cf769f1e6ae43 100644
--- a/tests/cases/compiler/promiseType.ts
+++ b/tests/cases/compiler/promiseType.ts
@@ -217,3 +217,17 @@ const pc6 = p.then(() => Promise.reject("1"), () => {});
 const pc7 = p.then(() => Promise.reject("1"), () => {throw 1});
 const pc8 = p.then(() => Promise.reject("1"), () => Promise.resolve(1));
 const pc9 = p.then(() => Promise.reject("1"), () => Promise.reject(1));
+
+const expected1: undefined = undefined as Awaited<undefined>;
+
+// #27711
+
+const expected2: Promise<string> = new Promise<Promise<string>>(() => {});
+
+// #28427
+
+Promise.all([undefined as Promise<string> | number]);
+
+Promise.resolve(undefined as Promise<string> | number);
+
+new Promise(undefined as (resolve: (value: Promise<string> | number) => void) => void);
diff --git a/tests/cases/conformance/types/mapped/mappedTypesArraysTuples.ts b/tests/cases/conformance/types/mapped/mappedTypesArraysTuples.ts
index 2c0f7433ea31c..e3d0a594ffb61 100644
--- a/tests/cases/conformance/types/mapped/mappedTypesArraysTuples.ts
+++ b/tests/cases/conformance/types/mapped/mappedTypesArraysTuples.ts
@@ -60,7 +60,6 @@ let y21 = nonpartial(x21);
 declare let x22: { a: number | undefined, b?: string[] };
 let y22 = nonpartial(x22);
 
-type Awaited<T> = T extends PromiseLike<infer U> ? U : T;
 type Awaitified<T> = { [P in keyof T]: Awaited<T[P]> };
 
 declare function all<T extends any[]>(...values: T): Promise<Awaitified<T>>;
diff --git a/tests/cases/user/ts-toolbelt/package.json b/tests/cases/user/ts-toolbelt/package.json
index d066aeec2d688..5c03b2a121931 100644
--- a/tests/cases/user/ts-toolbelt/package.json
+++ b/tests/cases/user/ts-toolbelt/package.json
@@ -4,7 +4,7 @@
   "description": "",
   "author": "",
   "license": "Apache-2.0",
-  "repository":  {
+  "repository": {
     "type": "git",
     "url": "https://github.com/pirix-gh/ts-toolbelt"
   },