diff --git a/.baseline/checkstyle/checkstyle.xml b/.baseline/checkstyle/checkstyle.xml
index 500dd559..72eb1b14 100644
--- a/.baseline/checkstyle/checkstyle.xml
+++ b/.baseline/checkstyle/checkstyle.xml
@@ -18,15 +18,6 @@
     <module name="NewlineAtEndOfFile"> <!-- Java Style Guide: Line ending: LF -->
         <property name="lineSeparator" value="lf"/>
     </module>
-    <module name="RegexpHeader">
-        <property name="header" value="^/\*$\n^ \* \(c\) Copyright \d{4} Palantir Technologies Inc\. All rights reserved\.$"/>
-        <property name="fileExtensions" value=".java,.ts"/>
-    </module>
-    <module name="RegexpMultiline"> <!-- Development Practices: Writing good unit tests -->
-        <property name="fileExtensions" value="java"/>
-        <property name="format" value="@VisibleForTesting\s+(protected|public)"/>
-        <property name="message" value="@VisibleForTesting members should be package-private."/>
-    </module>
     <module name="RegexpSingleline"> <!-- No reference needed as this is evident. -->
         <property name="format" value="&lt;&lt;&lt;&lt;&lt;&lt;&lt;"/>
         <property name="message" value="Found (&lt;&lt;&lt;&lt;&lt;&lt;&lt;), so it looks like you had a merge conflict that compiles. Please fix it."/>
@@ -56,6 +47,10 @@
     <module name="BeforeExecutionExclusionFileFilter">
         <property name="fileNamePattern" value="module\-info\.java$"/>
     </module>
+    <module name="LineLength"> <!-- Java Style Guide: No line-wrapping -->
+        <property name="max" value="120"/>
+        <property name="ignorePattern" value="^package.*|^import.*|a href|href|http://|https://|ftp://"/>
+    </module>
     <module name="TreeWalker">
         <module name="SuppressionCommentFilter"/> <!-- baseline-gradle: README.md -->
         <module name="SuppressionCommentFilter">
@@ -86,14 +81,7 @@
         </module>
         <module name="AvoidStarImport"/> <!-- Java Style Guide: No wildcard imports -->
         <module name="AvoidStaticImport"> <!-- Java Style Guide: No static imports -->
-            <property name="excludes" value="
-                com.google.common.base.Preconditions.*,
-                com.palantir.logsafe.Preconditions.*,
-                java.util.Collections.*,
-                java.util.stream.Collectors.*,
-                org.apache.commons.lang3.Validate.*,
-                org.assertj.core.api.Assertions.*,
-                org.mockito.Mockito.*"/>
+            <property name="excludes" value="com.google.common.base.Preconditions.*, com.palantir.logsafe.Preconditions.*, java.util.Collections.*, java.util.stream.Collectors.*, org.apache.commons.lang3.Validate.*, org.assertj.core.api.Assertions.*, org.mockito.Mockito.*"/>
         </module>
         <module name="ClassTypeParameterName"> <!-- Java Style Guide: Type variable names -->
             <property name="format" value="(^[A-Z][0-9]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/>
@@ -143,9 +131,14 @@
         <module name="IllegalImport"> <!-- Java Coding Guidelines: Import the canonical package -->
             <property name="id" value="BanShadedClasses"/>
             <property name="illegalPkgs" value=".*\.(repackaged|shaded|thirdparty)"/>
-            <property name="regexp" value="true" />
+            <property name="regexp" value="true"/>
             <message key="import.illegal" value="Must not import repackaged classes."/>
         </module>
+        <module name="IllegalImport">
+            <property name="illegalPkgs" value="^org\.gradle\.(internal|.*\.internal)"/>
+            <property name="regexp" value="true"/>
+            <message key="import.illegal" value="Do not rely on gradle internal classes as these may change in minor releases - use org.gradle.api versions instead."/>
+        </module>
         <module name="IllegalImport">
             <property name="illegalPkgs" value="sun"/>
             <message key="import.illegal" value="Must not use Oracle's Java implementation details. See http://www.oracle.com/technetwork/java/faq-sun-packages-142232.html ."/>
@@ -202,10 +195,6 @@
         </module>
         <module name="InnerAssignment"/> <!-- Java Coding Guidelines: Inner assignments: Not used -->
         <module name="LeftCurly"/> <!-- Java Style Guide: Nonempty blocks: K & R style -->
-        <module name="LineLength"> <!-- Java Style Guide: No line-wrapping -->
-            <property name="max" value="120"/>
-            <property name="ignorePattern" value="^package.*|^import.*|a href|href|http://|https://|ftp://"/>
-        </module>
         <module name="MemberName"> <!-- Java Style Guide: Non-constant field names -->
             <property name="format" value="^[a-z][a-zA-Z0-9]+$"/>
             <message key="name.invalidPattern" value="Member name ''{0}'' must match pattern ''{1}''."/>
@@ -362,7 +351,7 @@
         </module>
         <module name="RegexpSinglelineJava">
             <property name="format" value="\bCharset.defaultCharset\("/>
-            <property name="message" value="Use explicit charset (e.g. StandardCharsets.UTF-8) instead of default."/>
+            <property name="message" value="Use explicit charset (e.g. StandardCharsets.UTF_8) instead of default."/>
         </module>
         <module name="RegexpSinglelineJava">
             <property name="format" value="\bIOUtils\.toString\("/>
@@ -371,6 +360,7 @@
         <module name="RegexpSinglelineJava">
             <property name="format" value="\/\/TODO|\/\/ TODO(?!\([^()\s]+\): )"/>
             <property name="message" value="TODO format: // TODO(#issue): explanation"/>
+            <property name="ignoreCase" value="true"/>
         </module>
         <module name="RegexpSinglelineJava">
             <property name="format" value="(void setUp\(\))|(void setup\(\))|(void setupStatic\(\))|(void setUpStatic\(\))|(void beforeTest\(\))|(void teardown\(\))|(void tearDown\(\))|(void beforeStatic\(\))|(void afterStatic\(\))"/>
@@ -378,11 +368,11 @@
         </module>
         <module name="RightCurly"> <!-- Java Style Guide: Nonempty blocks: K & R style -->
             <property name="option" value="same"/>
-            <property name="tokens" value="LITERAL_TRY, LITERAL_CATCH, LITERAL_FINALLY, LITERAL_IF, LITERAL_ELSE, LITERAL_DO"/>
+            <property name="tokens" value="CLASS_DEF, METHOD_DEF, CTOR_DEF, LITERAL_TRY, LITERAL_CATCH, LITERAL_FINALLY, LITERAL_IF, LITERAL_ELSE, LITERAL_DO"/>
         </module>
         <module name="RightCurly"> <!-- Java Style Guide: Nonempty blocks: K & R style -->
             <property name="option" value="alone"/>
-            <property name="tokens" value="CLASS_DEF, METHOD_DEF, CTOR_DEF, LITERAL_FOR, LITERAL_WHILE, STATIC_INIT, INSTANCE_INIT"/>
+            <property name="tokens" value="LITERAL_FOR, LITERAL_WHILE, STATIC_INIT, INSTANCE_INIT"/>
         </module>
         <module name="SeparatorWrap"> <!-- Java Style Guide: Where to break -->
             <property name="tokens" value="DOT"/>
@@ -400,12 +390,11 @@
         <module name="SuppressWarnings">
             <property name="format" value="serial"/>
         </module>
-        <module name="SuppressWarningsHolder" />  <!-- Required for SuppressWarningsFilter -->
+        <module name="SuppressWarningsHolder"/>  <!-- Required for SuppressWarningsFilter -->
         <module name="TypeName"> <!-- Java Style Guide: Class names -->
             <message key="name.invalidPattern" value="Type name ''{0}'' must match pattern ''{1}''."/>
         </module>
         <module name="TypecastParenPad"/> <!-- Java Style Guide: Horizontal whitespace -->
-        <module name="UnnecessaryParentheses"/>
         <module name="UnusedImports"> <!-- Java Style Guide: No unused imports -->
             <property name="processJavadoc" value="true"/>
         </module>
@@ -434,13 +423,10 @@
             <property name="ignoredAnnotations" value="ParameterizedTest, Test, Before, BeforeEach, After, AfterEach, BeforeClass, BeforeAll, AfterClass, AfterAll"/>
         </module>
         <module name="JavadocMethod"> <!-- Java Style Guide: Where Javadoc is used -->
-            <property name="scope" value="public"/>
+            <property name="accessModifiers" value="public"/>
             <property name="allowMissingParamTags" value="true"/>
-            <property name="allowMissingThrowsTags" value="true"/>
             <property name="allowMissingReturnTag" value="true"/>
-            <property name="minLineCount" value="99999999"/>
             <property name="allowedAnnotations" value="Override, Test"/>
-            <property name="allowThrowsTagsForSubclasses" value="true"/>
         </module>
         <module name="JavadocStyle"/> <!-- Java Style Guide: Javadoc -->
         <module name="JavadocTagContinuationIndentation"> <!-- Java Style Guide: At-clauses -->
diff --git a/.baseline/eclipse/static/dotfile.settings/org.eclipse.jdt.ui.prefs b/.baseline/eclipse/static/dotfile.settings/org.eclipse.jdt.ui.prefs
index f2990d96..cd9ac9c7 100644
--- a/.baseline/eclipse/static/dotfile.settings/org.eclipse.jdt.ui.prefs
+++ b/.baseline/eclipse/static/dotfile.settings/org.eclipse.jdt.ui.prefs
@@ -8,9 +8,9 @@ org.eclipse.jdt.ui.ignorelowercasenames=true
 org.eclipse.jdt.ui.importorder=;
 org.eclipse.jdt.ui.javadoc=false
 org.eclipse.jdt.ui.keywordthis=false
-org.eclipse.jdt.ui.ondemandthreshold=99
+org.eclipse.jdt.ui.ondemandthreshold=999
 org.eclipse.jdt.ui.overrideannotation=true
-org.eclipse.jdt.ui.staticondemandthreshold=99
+org.eclipse.jdt.ui.staticondemandthreshold=999
 org.eclipse.jdt.ui.text.custom_code_templates=<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?><templates><template autoinsert\="true" context\="gettercomment_context" deleted\="false" description\="Comment for getter method" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.gettercomment" name\="gettercomment">/**\n * @return the ${bare_field_name}\n */</template><template autoinsert\="true" context\="settercomment_context" deleted\="false" description\="Comment for setter method" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.settercomment" name\="settercomment">/**\n * @param ${param} the ${bare_field_name} to set\n */</template><template autoinsert\="true" context\="constructorcomment_context" deleted\="false" description\="Comment for created constructors" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.constructorcomment" name\="constructorcomment">/**\n * ${tags}\n */</template><template autoinsert\="false" context\="filecomment_context" deleted\="false" description\="Comment for created Java files" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.filecomment" name\="filecomment"/><template autoinsert\="true" context\="typecomment_context" deleted\="false" description\="Comment for created types" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.typecomment" name\="typecomment">/**\n * ${tags}\n */</template><template autoinsert\="false" context\="fieldcomment_context" deleted\="false" description\="Comment for fields" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.fieldcomment" name\="fieldcomment"/><template autoinsert\="true" context\="methodcomment_context" deleted\="false" description\="Comment for non-overriding methods" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.methodcomment" name\="methodcomment">/**\n * ${tags}\n */</template><template autoinsert\="true" context\="overridecomment_context" deleted\="false" description\="Comment for overriding methods" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.overridecomment" name\="overridecomment">/* (non-Javadoc)\n * ${see_to_overridden}\n */</template><template autoinsert\="true" context\="delegatecomment_context" deleted\="false" description\="Comment for delegate methods" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.delegatecomment" name\="delegatecomment">/**\n * ${tags}\n * ${see_to_target}\n */</template><template autoinsert\="false" context\="newtype_context" deleted\="false" description\="Newly created files" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.newtype" name\="newtype">/*\n * (c) Copyright ${year} Palantir Technologies Inc. All rights reserved.\n */\n\n${package_declaration}\n\n/**\n * \n */\n${typecomment}\n${type_declaration}</template><template autoinsert\="true" context\="classbody_context" deleted\="false" description\="Code in new class type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.classbody" name\="classbody">\n</template><template autoinsert\="true" context\="interfacebody_context" deleted\="false" description\="Code in new interface type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.interfacebody" name\="interfacebody">\n</template><template autoinsert\="true" context\="enumbody_context" deleted\="false" description\="Code in new enum type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.enumbody" name\="enumbody">\n</template><template autoinsert\="true" context\="annotationbody_context" deleted\="false" description\="Code in new annotation type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.annotationbody" name\="annotationbody">\n</template><template autoinsert\="false" context\="catchblock_context" deleted\="false" description\="Code in new catch blocks" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.catchblock" name\="catchblock">throw new RuntimeException(${exception_var});</template><template autoinsert\="false" context\="methodbody_context" deleted\="false" description\="Code in created method stubs" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.methodbody" name\="methodbody">${body_statement}</template><template autoinsert\="false" context\="constructorbody_context" deleted\="false" description\="Code in created constructor stubs" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.constructorbody" name\="constructorbody">${body_statement}</template><template autoinsert\="true" context\="getterbody_context" deleted\="false" description\="Code in created getters" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.getterbody" name\="getterbody">return ${field};</template><template autoinsert\="true" context\="setterbody_context" deleted\="false" description\="Code in created setters" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.setterbody" name\="setterbody">${field} \= ${param};</template></templates>
 sp_cleanup.add_default_serial_version_id=true
 sp_cleanup.add_generated_serial_version_id=false
diff --git a/.baseline/idea/intellij-java-palantir-style.xml b/.baseline/idea/intellij-java-palantir-style.xml
index 9aa48633..f41e2b8a 100644
--- a/.baseline/idea/intellij-java-palantir-style.xml
+++ b/.baseline/idea/intellij-java-palantir-style.xml
@@ -16,7 +16,7 @@
         <option name="BINARY_OPERATION_WRAP" value="1" />
         <option name="BLANK_LINES_AFTER_CLASS_HEADER" value="1" />
         <option name="CALL_PARAMETERS_WRAP" value="1" />
-        <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
+        <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="999" />
         <option name="DOWHILE_BRACE_FORCE" value="3" />
         <option name="EXTENDS_KEYWORD_WRAP" value="1" />
         <option name="EXTENDS_LIST_WRAP" value="1" />
@@ -30,9 +30,10 @@
             <package name="" static="false" withSubpackages="true" />
           </value>
         </option>
+        <option name="INSERT_INNER_CLASS_IMPORTS" value="true" />
         <GroovyCodeStyleSettings>
-          <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
-          <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
+          <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="999" />
+          <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="999" />
           <option name="PACKAGES_TO_USE_IMPORT_ON_DEMAND">
             <value />
           </option>
@@ -43,6 +44,18 @@
               <package name="" withSubpackages="true" static="false" />
             </value>
           </option>
+          <DO_NOT_IMPORT_INNER>
+            <CLASS name="Builder" />
+            <CLASS name="Callback" />
+            <CLASS name="Class" />
+            <CLASS name="Entry" />
+            <CLASS name="Enum" />
+            <CLASS name="Factory" />
+            <CLASS name="Type" />
+            <CLASS name="Key" />
+            <CLASS name="Id" />
+            <CLASS name="Provider" />
+          </DO_NOT_IMPORT_INNER>
         </GroovyCodeStyleSettings>
         <option name="JD_ALIGN_EXCEPTION_COMMENTS" value="false" />
         <option name="JD_ALIGN_PARAM_COMMENTS" value="false" />
@@ -55,7 +68,7 @@
         <option name="KEEP_CONTROL_STATEMENT_IN_ONE_LINE" value="false" />
         <option name="METHOD_CALL_CHAIN_WRAP" value="1" />
         <option name="METHOD_PARAMETERS_WRAP" value="1" />
-        <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
+        <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="999" />
         <option name="OPTIMIZE_IMPORTS_ON_THE_FLY" value="true" />
         <option name="OTHER_INDENT_OPTIONS">
           <value>
diff --git a/build.gradle b/build.gradle
index c5647e56..edcc33b6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,7 +7,7 @@ buildscript {
         classpath 'com.palantir.gradle.externalpublish:gradle-external-publish-plugin:1.2.1'
         classpath 'com.palantir.javaformat:gradle-palantir-java-format:0.3.9'
         classpath 'com.palantir.gradle.consistentversions:gradle-consistent-versions:2.0.0'
-        classpath 'com.palantir.baseline:gradle-baseline-java:2.49.2'
+        classpath 'com.palantir.baseline:gradle-baseline-java:4.13.0'
         classpath 'com.palantir.gradle.gitversion:gradle-git-version:0.12.3'
         classpath 'gradle.plugin.org.inferred:gradle-processors:3.3.0'
     }