diff --git a/src/libraries/System.Collections.Immutable/ref/System.Collections.Immutable.cs b/src/libraries/System.Collections.Immutable/ref/System.Collections.Immutable.cs
index 9f397c01ae1e1..3c2f745f3c0c3 100644
--- a/src/libraries/System.Collections.Immutable/ref/System.Collections.Immutable.cs
+++ b/src/libraries/System.Collections.Immutable/ref/System.Collections.Immutable.cs
@@ -207,7 +207,7 @@ public static partial class ImmutableArray
         public static System.Collections.Immutable.ImmutableArray<T> Create<T>(T item1, T item2, T item3, T item4) { throw null; }
         public static System.Collections.Immutable.ImmutableArray<T> Create<T>(params T[]? items) { throw null; }
         public static System.Collections.Immutable.ImmutableArray<T> Create<T>(T[] items, int start, int length) { throw null; }
-        public static System.Collections.Immutable.ImmutableArray<T> Create<T>(/*params*/ System.ReadOnlySpan<T> items) { throw null; }
+        public static System.Collections.Immutable.ImmutableArray<T> Create<T>(System.ReadOnlySpan<T> items) { throw null; }
         public static System.Collections.Immutable.ImmutableArray<T> Create<T>(System.Span<T> items) { throw null; }
         public static System.Collections.Immutable.ImmutableArray<TSource> ToImmutableArray<TSource>(this System.Collections.Generic.IEnumerable<TSource> items) { throw null; }
         public static System.Collections.Immutable.ImmutableArray<TSource> ToImmutableArray<TSource>(this System.Collections.Immutable.ImmutableArray<TSource>.Builder builder) { throw null; }
@@ -244,7 +244,7 @@ public static partial class ImmutableArray
         public System.Collections.Immutable.ImmutableArray<T> AddRange<TDerived>(TDerived[] items) where TDerived : T { throw null; }
         public System.Collections.Immutable.ImmutableArray<T> AddRange(ImmutableArray<T> items, int length) { throw null; }
         public System.Collections.Immutable.ImmutableArray<T> AddRange<TDerived>(ImmutableArray<TDerived> items) where TDerived : T { throw null; }
-        public System.Collections.Immutable.ImmutableArray<T> AddRange(/*params*/ System.ReadOnlySpan<T> items) { throw null; }
+        public System.Collections.Immutable.ImmutableArray<T> AddRange(System.ReadOnlySpan<T> items) { throw null; }
         public System.Collections.Immutable.ImmutableArray<T> AddRange(params T[] items) { throw null; }
         public System.ReadOnlyMemory<T> AsMemory() { throw null; }
         public System.ReadOnlySpan<T> AsSpan() { throw null; }
@@ -284,7 +284,7 @@ public void CopyTo(System.Span<T> destination) { }
         public System.Collections.Immutable.ImmutableArray<T> InsertRange(int index, System.Collections.Generic.IEnumerable<T> items) { throw null; }
         public System.Collections.Immutable.ImmutableArray<T> InsertRange(int index, System.Collections.Immutable.ImmutableArray<T> items) { throw null; }
         public System.Collections.Immutable.ImmutableArray<T> InsertRange(int index, T[] items) { throw null; }
-        public System.Collections.Immutable.ImmutableArray<T> InsertRange(int index, /*params*/ System.ReadOnlySpan<T> items) { throw null; }
+        public System.Collections.Immutable.ImmutableArray<T> InsertRange(int index, System.ReadOnlySpan<T> items) { throw null; }
         public ref readonly T ItemRef(int index) { throw null; }
         public int LastIndexOf(T item) { throw null; }
         public int LastIndexOf(T item, int startIndex) { throw null; }
@@ -362,8 +362,8 @@ public void AddRange(T[] items, int length) { }
             public void AddRange<TDerived>(System.Collections.Immutable.ImmutableArray<TDerived> items) where TDerived : T { }
             public void AddRange<TDerived>(System.Collections.Immutable.ImmutableArray<TDerived>.Builder items) where TDerived : T { }
             public void AddRange<TDerived>(TDerived[] items) where TDerived : T { }
-            public void AddRange(/*params*/ System.ReadOnlySpan<T> items) { }
-            public void AddRange<TDerived>(/*params*/ System.ReadOnlySpan<TDerived> items) where TDerived : T { }
+            public void AddRange(System.ReadOnlySpan<T> items) { }
+            public void AddRange<TDerived>(System.ReadOnlySpan<TDerived> items) where TDerived : T { }
             public void Clear() { }
             public bool Contains(T item) { throw null; }
             public void CopyTo(T[] array, int index) { }
@@ -562,10 +562,10 @@ public static partial class ImmutableHashSet
         public static System.Collections.Immutable.ImmutableHashSet<T> Create<T>(System.Collections.Generic.IEqualityComparer<T>? equalityComparer) { throw null; }
         public static System.Collections.Immutable.ImmutableHashSet<T> Create<T>(System.Collections.Generic.IEqualityComparer<T>? equalityComparer, T item) { throw null; }
         public static System.Collections.Immutable.ImmutableHashSet<T> Create<T>(System.Collections.Generic.IEqualityComparer<T>? equalityComparer, params T[] items) { throw null; }
-        public static System.Collections.Immutable.ImmutableHashSet<T> Create<T>(System.Collections.Generic.IEqualityComparer<T>? equalityComparer, /*params*/ System.ReadOnlySpan<T> items) { throw null; }
+        public static System.Collections.Immutable.ImmutableHashSet<T> Create<T>(System.Collections.Generic.IEqualityComparer<T>? equalityComparer, System.ReadOnlySpan<T> items) { throw null; }
         public static System.Collections.Immutable.ImmutableHashSet<T> Create<T>(T item) { throw null; }
         public static System.Collections.Immutable.ImmutableHashSet<T> Create<T>(params T[] items) { throw null; }
-        public static System.Collections.Immutable.ImmutableHashSet<T> Create<T>(/*params*/ System.ReadOnlySpan<T> items) { throw null; }
+        public static System.Collections.Immutable.ImmutableHashSet<T> Create<T>(System.ReadOnlySpan<T> items) { throw null; }
         public static System.Collections.Immutable.ImmutableHashSet<TSource> ToImmutableHashSet<TSource>(this System.Collections.Generic.IEnumerable<TSource> source) { throw null; }
         public static System.Collections.Immutable.ImmutableHashSet<TSource> ToImmutableHashSet<TSource>(this System.Collections.Generic.IEnumerable<TSource> source, System.Collections.Generic.IEqualityComparer<TSource>? equalityComparer) { throw null; }
         public static System.Collections.Immutable.ImmutableHashSet<TSource> ToImmutableHashSet<TSource>(this System.Collections.Immutable.ImmutableHashSet<TSource>.Builder builder) { throw null; }
@@ -691,7 +691,7 @@ public static partial class ImmutableList
         public static System.Collections.Immutable.ImmutableList<T> Create<T>() { throw null; }
         public static System.Collections.Immutable.ImmutableList<T> Create<T>(T item) { throw null; }
         public static System.Collections.Immutable.ImmutableList<T> Create<T>(params T[] items) { throw null; }
-        public static System.Collections.Immutable.ImmutableList<T> Create<T>(/*params*/ System.ReadOnlySpan<T> items) { throw null; }
+        public static System.Collections.Immutable.ImmutableList<T> Create<T>(System.ReadOnlySpan<T> items) { throw null; }
         public static int IndexOf<T>(this System.Collections.Immutable.IImmutableList<T> list, T item) { throw null; }
         public static int IndexOf<T>(this System.Collections.Immutable.IImmutableList<T> list, T item, System.Collections.Generic.IEqualityComparer<T>? equalityComparer) { throw null; }
         public static int IndexOf<T>(this System.Collections.Immutable.IImmutableList<T> list, T item, int startIndex) { throw null; }
@@ -887,7 +887,7 @@ public static partial class ImmutableQueue
         public static System.Collections.Immutable.ImmutableQueue<T> Create<T>() { throw null; }
         public static System.Collections.Immutable.ImmutableQueue<T> Create<T>(T item) { throw null; }
         public static System.Collections.Immutable.ImmutableQueue<T> Create<T>(params T[] items) { throw null; }
-        public static System.Collections.Immutable.ImmutableQueue<T> Create<T>(/*params*/ System.ReadOnlySpan<T> items) { throw null; }
+        public static System.Collections.Immutable.ImmutableQueue<T> Create<T>(System.ReadOnlySpan<T> items) { throw null; }
         public static System.Collections.Immutable.IImmutableQueue<T> Dequeue<T>(this System.Collections.Immutable.IImmutableQueue<T> queue, out T value) { throw null; }
     }
     [System.Runtime.CompilerServices.CollectionBuilderAttribute(typeof(System.Collections.Immutable.ImmutableQueue), "Create")]
@@ -1063,10 +1063,10 @@ public static partial class ImmutableSortedSet
         public static System.Collections.Immutable.ImmutableSortedSet<T> Create<T>(System.Collections.Generic.IComparer<T>? comparer) { throw null; }
         public static System.Collections.Immutable.ImmutableSortedSet<T> Create<T>(System.Collections.Generic.IComparer<T>? comparer, T item) { throw null; }
         public static System.Collections.Immutable.ImmutableSortedSet<T> Create<T>(System.Collections.Generic.IComparer<T>? comparer, params T[] items) { throw null; }
-        public static System.Collections.Immutable.ImmutableSortedSet<T> Create<T>(System.Collections.Generic.IComparer<T>? comparer, /*params*/ System.ReadOnlySpan<T> items) { throw null; }
+        public static System.Collections.Immutable.ImmutableSortedSet<T> Create<T>(System.Collections.Generic.IComparer<T>? comparer, System.ReadOnlySpan<T> items) { throw null; }
         public static System.Collections.Immutable.ImmutableSortedSet<T> Create<T>(T item) { throw null; }
         public static System.Collections.Immutable.ImmutableSortedSet<T> Create<T>(params T[] items) { throw null; }
-        public static System.Collections.Immutable.ImmutableSortedSet<T> Create<T>(/*params*/ System.ReadOnlySpan<T> items) { throw null; }
+        public static System.Collections.Immutable.ImmutableSortedSet<T> Create<T>(System.ReadOnlySpan<T> items) { throw null; }
         public static System.Collections.Immutable.ImmutableSortedSet<TSource> ToImmutableSortedSet<TSource>(this System.Collections.Generic.IEnumerable<TSource> source) { throw null; }
         public static System.Collections.Immutable.ImmutableSortedSet<TSource> ToImmutableSortedSet<TSource>(this System.Collections.Generic.IEnumerable<TSource> source, System.Collections.Generic.IComparer<TSource>? comparer) { throw null; }
         public static System.Collections.Immutable.ImmutableSortedSet<TSource> ToImmutableSortedSet<TSource>(this System.Collections.Immutable.ImmutableSortedSet<TSource>.Builder builder) { throw null; }
@@ -1198,7 +1198,7 @@ public static partial class ImmutableStack
         public static System.Collections.Immutable.ImmutableStack<T> Create<T>() { throw null; }
         public static System.Collections.Immutable.ImmutableStack<T> Create<T>(T item) { throw null; }
         public static System.Collections.Immutable.ImmutableStack<T> Create<T>(params T[] items) { throw null; }
-        public static System.Collections.Immutable.ImmutableStack<T> Create<T>(/*params*/ System.ReadOnlySpan<T> items) { throw null; }
+        public static System.Collections.Immutable.ImmutableStack<T> Create<T>(System.ReadOnlySpan<T> items) { throw null; }
         public static System.Collections.Immutable.IImmutableStack<T> Pop<T>(this System.Collections.Immutable.IImmutableStack<T> stack, out T value) { throw null; }
     }
     [System.Runtime.CompilerServices.CollectionBuilderAttribute(typeof(System.Collections.Immutable.ImmutableStack), "Create")]
diff --git a/src/libraries/System.Collections/ref/System.Collections.cs b/src/libraries/System.Collections/ref/System.Collections.cs
index c5e3648a54d52..2fa8f622b611f 100644
--- a/src/libraries/System.Collections/ref/System.Collections.cs
+++ b/src/libraries/System.Collections/ref/System.Collections.cs
@@ -416,11 +416,11 @@ namespace System.Collections.Generic
 {
     public static partial class CollectionExtensions
     {
-        public static void AddRange<T>(this System.Collections.Generic.List<T> list, /*params*/ System.ReadOnlySpan<T> source) { }
+        public static void AddRange<T>(this System.Collections.Generic.List<T> list, System.ReadOnlySpan<T> source) { }
         public static void CopyTo<T>(this System.Collections.Generic.List<T> list, System.Span<T> destination) { }
         public static TValue? GetValueOrDefault<TKey, TValue>(this System.Collections.Generic.IReadOnlyDictionary<TKey, TValue> dictionary, TKey key) { throw null; }
         public static TValue GetValueOrDefault<TKey, TValue>(this System.Collections.Generic.IReadOnlyDictionary<TKey, TValue> dictionary, TKey key, TValue defaultValue) { throw null; }
-        public static void InsertRange<T>(this System.Collections.Generic.List<T> list, int index, /*params*/ System.ReadOnlySpan<T> source) { }
+        public static void InsertRange<T>(this System.Collections.Generic.List<T> list, int index, System.ReadOnlySpan<T> source) { }
         public static bool Remove<TKey, TValue>(this System.Collections.Generic.IDictionary<TKey, TValue> dictionary, TKey key, [System.Diagnostics.CodeAnalysis.MaybeNullWhenAttribute(false)] out TValue value) { throw null; }
         public static bool TryAdd<TKey, TValue>(this System.Collections.Generic.IDictionary<TKey, TValue> dictionary, TKey key, TValue value) { throw null; }
         public static System.Collections.ObjectModel.ReadOnlyCollection<T> AsReadOnly<T>(this IList<T> list) { throw null; }
diff --git a/src/libraries/System.Console/ref/System.Console.cs b/src/libraries/System.Console/ref/System.Console.cs
index c8d4bb61b3c57..7c5ca19cd01ad 100644
--- a/src/libraries/System.Console/ref/System.Console.cs
+++ b/src/libraries/System.Console/ref/System.Console.cs
@@ -175,7 +175,7 @@ public static void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute(
         public static void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1) { }
         public static void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1, object? arg2) { }
         public static void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, params object?[]? arg) { }
-        public static void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, /*params*/ System.ReadOnlySpan<object?> arg) { }
+        public static void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, System.ReadOnlySpan<object?> arg) { }
         [System.CLSCompliantAttribute(false)]
         public static void Write(uint value) { }
         [System.CLSCompliantAttribute(false)]
@@ -196,7 +196,7 @@ public static void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttrib
         public static void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1) { }
         public static void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1, object? arg2) { }
         public static void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, params object?[]? arg) { }
-        public static void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, /*params*/ System.ReadOnlySpan<object?> arg) { }
+        public static void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, System.ReadOnlySpan<object?> arg) { }
         [System.CLSCompliantAttribute(false)]
         public static void WriteLine(uint value) { }
         [System.CLSCompliantAttribute(false)]
diff --git a/src/libraries/System.Diagnostics.DiagnosticSource/ref/System.Diagnostics.DiagnosticSourceActivity.cs b/src/libraries/System.Diagnostics.DiagnosticSource/ref/System.Diagnostics.DiagnosticSourceActivity.cs
index 342170fad78e8..382499070cd1d 100644
--- a/src/libraries/System.Diagnostics.DiagnosticSource/ref/System.Diagnostics.DiagnosticSourceActivity.cs
+++ b/src/libraries/System.Diagnostics.DiagnosticSource/ref/System.Diagnostics.DiagnosticSourceActivity.cs
@@ -297,7 +297,7 @@ public abstract class DistributedContextPropagator
     [System.Runtime.InteropServices.StructLayout(System.Runtime.InteropServices.LayoutKind.Sequential)]
     public struct TagList : System.Collections.Generic.IList<System.Collections.Generic.KeyValuePair<string, object?>>, System.Collections.Generic.IReadOnlyList<System.Collections.Generic.KeyValuePair<string, object?>>
     {
-        public TagList(/*params*/ System.ReadOnlySpan<System.Collections.Generic.KeyValuePair<string, object?>> tagList) : this() { throw null; }
+        public TagList(System.ReadOnlySpan<System.Collections.Generic.KeyValuePair<string, object?>> tagList) : this() { throw null; }
         public readonly int Count => throw null;
         public readonly bool IsReadOnly => throw null;
         public System.Collections.Generic.KeyValuePair<string, object?> this[int index]
@@ -336,7 +336,7 @@ public sealed class Counter<T> : Instrument<T> where T : struct
         public void Add(T delta, System.Collections.Generic.KeyValuePair<string, object?> tag)  { throw null; }
         public void Add(T delta, System.Collections.Generic.KeyValuePair<string, object?> tag1, System.Collections.Generic.KeyValuePair<string, object?> tag2)  { throw null; }
         public void Add(T delta, System.Collections.Generic.KeyValuePair<string, object?> tag1, System.Collections.Generic.KeyValuePair<string, object?> tag2, System.Collections.Generic.KeyValuePair<string, object?> tag3)  { throw null; }
-        public void Add(T delta, /*params*/ System.ReadOnlySpan<System.Collections.Generic.KeyValuePair<string, object?>> tags) { throw null; }
+        public void Add(T delta, System.ReadOnlySpan<System.Collections.Generic.KeyValuePair<string, object?>> tags) { throw null; }
         public void Add(T delta, params System.Collections.Generic.KeyValuePair<string, object?>[] tags) { throw null; }
         public void Add(T delta, in TagList tagList) { throw null; }
         internal Counter(Meter meter, string name, string? unit, string? description) :
@@ -348,7 +348,7 @@ public sealed class UpDownCounter<T> : Instrument<T> where T : struct
         public void Add(T delta, System.Collections.Generic.KeyValuePair<string, object?> tag)  { throw null; }
         public void Add(T delta, System.Collections.Generic.KeyValuePair<string, object?> tag1, System.Collections.Generic.KeyValuePair<string, object?> tag2)  { throw null; }
         public void Add(T delta, System.Collections.Generic.KeyValuePair<string, object?> tag1, System.Collections.Generic.KeyValuePair<string, object?> tag2, System.Collections.Generic.KeyValuePair<string, object?> tag3)  { throw null; }
-        public void Add(T delta, /*params*/ System.ReadOnlySpan<System.Collections.Generic.KeyValuePair<string, object?>> tags) { throw null; }
+        public void Add(T delta, System.ReadOnlySpan<System.Collections.Generic.KeyValuePair<string, object?>> tags) { throw null; }
         public void Add(T delta, params System.Collections.Generic.KeyValuePair<string, object?>[] tags) { throw null; }
         public void Add(T delta, in TagList tagList) { throw null; }
         internal UpDownCounter(Meter meter, string name, string? unit, string? description) :
@@ -362,7 +362,7 @@ public sealed class Histogram<T> : Instrument<T> where T : struct
         public void Record(T value, System.Collections.Generic.KeyValuePair<string, object?> tag1, System.Collections.Generic.KeyValuePair<string, object?> tag2) { throw null; }
         public void Record(T value, System.Collections.Generic.KeyValuePair<string, object?> tag1, System.Collections.Generic.KeyValuePair<string, object?> tag2, System.Collections.Generic.KeyValuePair<string, object?> tag3) { throw null; }
         public void Record(T value, in TagList tagList) { throw null; }
-        public void Record(T value, /*params*/ System.ReadOnlySpan<System.Collections.Generic.KeyValuePair<string, object?>> tags) { throw null; }
+        public void Record(T value, System.ReadOnlySpan<System.Collections.Generic.KeyValuePair<string, object?>> tags) { throw null; }
         public void Record(T value, params System.Collections.Generic.KeyValuePair<string, object?>[] tags) { throw null; }
     }
     public interface IMeterFactory : System.IDisposable
@@ -398,7 +398,7 @@ public abstract class Instrument<T> : Instrument where T : struct
         public Measurement(T value) { throw null; }
         public Measurement(T value, System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<string, object?>>? tags) { throw null; }
         public Measurement(T value, params System.Collections.Generic.KeyValuePair<string, object?>[]? tags) { throw null; }
-        public Measurement(T value, /*params*/ System.ReadOnlySpan<System.Collections.Generic.KeyValuePair<string, object?>> tags) { throw null; }
+        public Measurement(T value, System.ReadOnlySpan<System.Collections.Generic.KeyValuePair<string, object?>> tags) { throw null; }
         public ReadOnlySpan<System.Collections.Generic.KeyValuePair<string, object?>> Tags { get { throw null; } }
         public T Value { get { throw null; } }
     }
diff --git a/src/libraries/System.Memory/ref/System.Memory.cs b/src/libraries/System.Memory/ref/System.Memory.cs
index c2ed032012c82..8aac4764a1498 100644
--- a/src/libraries/System.Memory/ref/System.Memory.cs
+++ b/src/libraries/System.Memory/ref/System.Memory.cs
@@ -408,7 +408,7 @@ public static void Sort<TKey, TValue, TComparer>(this System.Span<TKey> keys, Sy
         public static bool TryWrite<TArg0, TArg1>(this System.Span<char> destination, System.IFormatProvider? provider, System.Text.CompositeFormat format, out int charsWritten, TArg0 arg0, TArg1 arg1) { throw null; }
         public static bool TryWrite<TArg0, TArg1, TArg2>(this System.Span<char> destination, System.IFormatProvider? provider, System.Text.CompositeFormat format, out int charsWritten, TArg0 arg0, TArg1 arg1, TArg2 arg2) { throw null; }
         public static bool TryWrite(this Span<char> destination, System.IFormatProvider? provider, System.Text.CompositeFormat format, out int charsWritten, params object?[] args) { throw null; }
-        public static bool TryWrite(this Span<char> destination, System.IFormatProvider? provider, System.Text.CompositeFormat format, out int charsWritten, /*params*/ System.ReadOnlySpan<object?> args) { throw null; }
+        public static bool TryWrite(this Span<char> destination, System.IFormatProvider? provider, System.Text.CompositeFormat format, out int charsWritten, System.ReadOnlySpan<object?> args) { throw null; }
         [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
         [System.Runtime.CompilerServices.InterpolatedStringHandlerAttribute]
         public ref struct TryWriteInterpolatedStringHandler
diff --git a/src/libraries/System.Runtime/ref/System.Runtime.cs b/src/libraries/System.Runtime/ref/System.Runtime.cs
index 29f4fcf857231..14575b820c33a 100644
--- a/src/libraries/System.Runtime/ref/System.Runtime.cs
+++ b/src/libraries/System.Runtime/ref/System.Runtime.cs
@@ -2163,7 +2163,7 @@ protected Delegate([System.Diagnostics.CodeAnalysis.DynamicallyAccessedMembersAt
         [return: System.Diagnostics.CodeAnalysis.NotNullIfNotNullAttribute("b")]
         public static System.Delegate? Combine(System.Delegate? a, System.Delegate? b) { throw null; }
         public static System.Delegate? Combine(params System.Delegate?[]? delegates) { throw null; }
-        public static System.Delegate? Combine(/*params*/ System.ReadOnlySpan<System.Delegate?> delegates) { throw null; }
+        public static System.Delegate? Combine(System.ReadOnlySpan<System.Delegate?> delegates) { throw null; }
         protected virtual System.Delegate CombineImpl(System.Delegate? d) { throw null; }
         public static System.Delegate CreateDelegate(System.Type type, object? firstArgument, System.Reflection.MethodInfo method) { throw null; }
         public static System.Delegate? CreateDelegate(System.Type type, object? firstArgument, System.Reflection.MethodInfo method, bool throwOnBindFailure) { throw null; }
@@ -5243,7 +5243,7 @@ public unsafe String(sbyte* value, int startIndex, int length, System.Text.Encod
         public static string Concat(object? arg0, object? arg1) { throw null; }
         public static string Concat(object? arg0, object? arg1, object? arg2) { throw null; }
         public static string Concat(params object?[] args) { throw null; }
-        public static string Concat(/*params*/ System.ReadOnlySpan<object?> args) { throw null; }
+        public static string Concat(System.ReadOnlySpan<object?> args) { throw null; }
         public static string Concat(System.ReadOnlySpan<char> str0, System.ReadOnlySpan<char> str1) { throw null; }
         public static string Concat(System.ReadOnlySpan<char> str0, System.ReadOnlySpan<char> str1, System.ReadOnlySpan<char> str2) { throw null; }
         public static string Concat(System.ReadOnlySpan<char> str0, System.ReadOnlySpan<char> str1, System.ReadOnlySpan<char> str2, System.ReadOnlySpan<char> str3) { throw null; }
@@ -5251,7 +5251,7 @@ public unsafe String(sbyte* value, int startIndex, int length, System.Text.Encod
         public static string Concat(string? str0, string? str1, string? str2) { throw null; }
         public static string Concat(string? str0, string? str1, string? str2, string? str3) { throw null; }
         public static string Concat(params string?[] values) { throw null; }
-        public static string Concat(/*params*/ System.ReadOnlySpan<string?> values) { throw null; }
+        public static string Concat(System.ReadOnlySpan<string?> values) { throw null; }
         public static string Concat<T>(System.Collections.Generic.IEnumerable<T> values) { throw null; }
         public bool Contains(char value) { throw null; }
         public bool Contains(char value, System.StringComparison comparisonType) { throw null; }
@@ -5279,14 +5279,14 @@ public void CopyTo(System.Span<char> destination) { }
         public static string Format(System.IFormatProvider? provider, [System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1) { throw null; }
         public static string Format(System.IFormatProvider? provider, [System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1, object? arg2) { throw null; }
         public static string Format(System.IFormatProvider? provider, [System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, params object?[] args) { throw null; }
-        public static string Format(System.IFormatProvider? provider, [System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, /*params*/ System.ReadOnlySpan<object?> args) { throw null; }
+        public static string Format(System.IFormatProvider? provider, [System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, System.ReadOnlySpan<object?> args) { throw null; }
         public static string Format(System.IFormatProvider? provider, System.Text.CompositeFormat format, params object?[] args) { throw null; }
-        public static string Format(System.IFormatProvider? provider, System.Text.CompositeFormat format, /*params*/ System.ReadOnlySpan<object?> args) { throw null; }
+        public static string Format(System.IFormatProvider? provider, System.Text.CompositeFormat format, System.ReadOnlySpan<object?> args) { throw null; }
         public static string Format([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0) { throw null; }
         public static string Format([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1) { throw null; }
         public static string Format([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1, object? arg2) { throw null; }
         public static string Format([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, params object?[] args) { throw null; }
-        public static string Format([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, /*params*/ System.ReadOnlySpan<object?> args) { throw null; }
+        public static string Format([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, System.ReadOnlySpan<object?> args) { throw null; }
         public static string Format<TArg0>(System.IFormatProvider? provider, System.Text.CompositeFormat format, TArg0 arg0) { throw null; }
         public static string Format<TArg0, TArg1>(System.IFormatProvider? provider, System.Text.CompositeFormat format, TArg0 arg0, TArg1 arg1) { throw null; }
         public static string Format<TArg0, TArg1, TArg2>(System.IFormatProvider? provider, System.Text.CompositeFormat format, TArg0 arg0, TArg1 arg1, TArg2 arg2) { throw null; }
@@ -5319,15 +5319,15 @@ public void CopyTo(System.Span<char> destination) { }
         public static bool IsNullOrEmpty([System.Diagnostics.CodeAnalysis.NotNullWhenAttribute(false)] string? value) { throw null; }
         public static bool IsNullOrWhiteSpace([System.Diagnostics.CodeAnalysis.NotNullWhenAttribute(false)] string? value) { throw null; }
         public static string Join(char separator, params object?[] values) { throw null; }
-        public static string Join(char separator, /*params*/ System.ReadOnlySpan<object?> values) { throw null; }
+        public static string Join(char separator, System.ReadOnlySpan<object?> values) { throw null; }
         public static string Join(char separator, params string?[] value) { throw null; }
-        public static string Join(char separator, /*params*/ System.ReadOnlySpan<string?> value) { throw null; }
+        public static string Join(char separator, System.ReadOnlySpan<string?> value) { throw null; }
         public static string Join(char separator, string?[] value, int startIndex, int count) { throw null; }
         public static string Join(string? separator, System.Collections.Generic.IEnumerable<string?> values) { throw null; }
         public static string Join(string? separator, params object?[] values) { throw null; }
-        public static string Join(string? separator, /*params*/ System.ReadOnlySpan<object?> values) { throw null; }
+        public static string Join(string? separator, System.ReadOnlySpan<object?> values) { throw null; }
         public static string Join(string? separator, params string?[] value) { throw null; }
-        public static string Join(string? separator, /*params*/ System.ReadOnlySpan<string?> value) { throw null; }
+        public static string Join(string? separator, System.ReadOnlySpan<string?> value) { throw null; }
         public static string Join(string? separator, string?[] value, int startIndex, int count) { throw null; }
         public static string Join<T>(char separator, System.Collections.Generic.IEnumerable<T> values) { throw null; }
         public static string Join<T>(string? separator, System.Collections.Generic.IEnumerable<T> values) { throw null; }
@@ -5363,7 +5363,7 @@ public void CopyTo(System.Span<char> destination) { }
         public string[] Split(char separator, int count, System.StringSplitOptions options = System.StringSplitOptions.None) { throw null; }
         public string[] Split(char separator, System.StringSplitOptions options = System.StringSplitOptions.None) { throw null; }
         public string[] Split(params char[]? separator) { throw null; }
-        public string[] Split(/*params*/ System.ReadOnlySpan<char> separator) { throw null; }
+        public string[] Split(System.ReadOnlySpan<char> separator) { throw null; }
         public string[] Split(char[]? separator, int count) { throw null; }
         public string[] Split(char[]? separator, int count, System.StringSplitOptions options) { throw null; }
         public string[] Split(char[]? separator, System.StringSplitOptions options) { throw null; }
@@ -5411,15 +5411,15 @@ public void CopyTo(System.Span<char> destination) { }
         public string Trim() { throw null; }
         public string Trim(char trimChar) { throw null; }
         public string Trim(params char[]? trimChars) { throw null; }
-        public string Trim(/*params*/ System.ReadOnlySpan<char> trimChars) { throw null; }
+        public string Trim(System.ReadOnlySpan<char> trimChars) { throw null; }
         public string TrimEnd() { throw null; }
         public string TrimEnd(char trimChar) { throw null; }
         public string TrimEnd(params char[]? trimChars) { throw null; }
-        public string TrimEnd(/*params*/ System.ReadOnlySpan<char> trimChars) { throw null; }
+        public string TrimEnd(System.ReadOnlySpan<char> trimChars) { throw null; }
         public string TrimStart() { throw null; }
         public string TrimStart(char trimChar) { throw null; }
         public string TrimStart(params char[]? trimChars) { throw null; }
-        public string TrimStart(/*params*/ System.ReadOnlySpan<char> trimChars) { throw null; }
+        public string TrimStart(System.ReadOnlySpan<char> trimChars) { throw null; }
         public bool TryCopyTo(System.Span<char> destination) { throw null; }
     }
     public abstract partial class StringComparer : System.Collections.Generic.IComparer<string?>, System.Collections.Generic.IEqualityComparer<string?>, System.Collections.IComparer, System.Collections.IEqualityComparer
@@ -7540,7 +7540,7 @@ public override void Write(string? s) { }
         public override void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0) { }
         public override void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1) { }
         public override void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, params object?[] arg) { }
-        public override void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, /*params*/ System.ReadOnlySpan<object?> arg) { }
+        public override void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, System.ReadOnlySpan<object?> arg) { }
         public override System.Threading.Tasks.Task WriteAsync(char value) { throw null; }
         public override System.Threading.Tasks.Task WriteAsync(char[] buffer, int index, int count) { throw null; }
         public override System.Threading.Tasks.Task WriteAsync(System.ReadOnlyMemory<char> buffer, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
@@ -7560,7 +7560,7 @@ public override void WriteLine(string? s) { }
         public override void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0) { }
         public override void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1) { }
         public override void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, params object?[] arg) { }
-        public override void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, /*params*/ System.ReadOnlySpan<object?> arg) { }
+        public override void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, System.ReadOnlySpan<object?> arg) { }
         [System.CLSCompliantAttribute(false)]
         public override void WriteLine(uint value) { }
         public override System.Threading.Tasks.Task WriteLineAsync() { throw null; }
@@ -10127,7 +10127,7 @@ public static partial class Path
         public static string Combine(string path1, string path2, string path3) { throw null; }
         public static string Combine(string path1, string path2, string path3, string path4) { throw null; }
         public static string Combine(params string[] paths) { throw null; }
-        public static string Combine(/*params*/ System.ReadOnlySpan<string> paths) { throw null; }
+        public static string Combine(System.ReadOnlySpan<string> paths) { throw null; }
         public static bool EndsInDirectorySeparator(System.ReadOnlySpan<char> path) { throw null; }
         public static bool EndsInDirectorySeparator([System.Diagnostics.CodeAnalysis.NotNullWhenAttribute(true)] string? path) { throw null; }
         public static bool Exists([System.Diagnostics.CodeAnalysis.NotNullWhenAttribute(true)] string? path) { throw null; }
@@ -10165,7 +10165,7 @@ public static partial class Path
         public static string Join(string? path1, string? path2, string? path3) { throw null; }
         public static string Join(string? path1, string? path2, string? path3, string? path4) { throw null; }
         public static string Join(params string?[] paths) { throw null; }
-        public static string Join(/*params*/ System.ReadOnlySpan<string?> paths) { throw null; }
+        public static string Join(System.ReadOnlySpan<string?> paths) { throw null; }
         public static System.ReadOnlySpan<char> TrimEndingDirectorySeparator(System.ReadOnlySpan<char> path) { throw null; }
         public static string TrimEndingDirectorySeparator(string path) { throw null; }
         public static bool TryJoin(System.ReadOnlySpan<char> path1, System.ReadOnlySpan<char> path2, System.ReadOnlySpan<char> path3, System.Span<char> destination, out int charsWritten) { throw null; }
@@ -10332,7 +10332,7 @@ public override void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribut
         public override void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1) { }
         public override void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1, object? arg2) { }
         public override void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, params object?[] arg) { }
-        public override void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, /*params*/ System.ReadOnlySpan<object?> arg) { }
+        public override void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, System.ReadOnlySpan<object?> arg) { }
         public override System.Threading.Tasks.Task WriteAsync(char value) { throw null; }
         public override System.Threading.Tasks.Task WriteAsync(char[] buffer, int index, int count) { throw null; }
         public override System.Threading.Tasks.Task WriteAsync(System.ReadOnlyMemory<char> buffer, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
@@ -10343,7 +10343,7 @@ public override void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttr
         public override void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1) { }
         public override void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1, object? arg2) { }
         public override void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, params object?[] arg) { }
-        public override void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, /*params*/ System.ReadOnlySpan<object?> arg) { }
+        public override void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, System.ReadOnlySpan<object?> arg) { }
         public override System.Threading.Tasks.Task WriteLineAsync() { throw null; }
         public override System.Threading.Tasks.Task WriteLineAsync(char value) { throw null; }
         public override System.Threading.Tasks.Task WriteLineAsync(char[] buffer, int index, int count) { throw null; }
@@ -10461,7 +10461,7 @@ public virtual void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute
         public virtual void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1) { }
         public virtual void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1, object? arg2) { }
         public virtual void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, params object?[] arg) { }
-        public virtual void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, /*params*/ System.ReadOnlySpan<object?> arg) { }
+        public virtual void Write([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, System.ReadOnlySpan<object?> arg) { }
         public virtual void Write(System.Text.StringBuilder? value) { }
         [System.CLSCompliantAttribute(false)]
         public virtual void Write(uint value) { }
@@ -10490,7 +10490,7 @@ public virtual void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttri
         public virtual void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1) { }
         public virtual void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1, object? arg2) { }
         public virtual void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, params object?[] arg) { }
-        public virtual void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, /*params*/ System.ReadOnlySpan<object?> arg) { }
+        public virtual void WriteLine([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, System.ReadOnlySpan<object?> arg) { }
         public virtual void WriteLine(System.Text.StringBuilder? value) { }
         [System.CLSCompliantAttribute(false)]
         public virtual void WriteLine(uint value) { }
@@ -14936,25 +14936,25 @@ public StringBuilder(string? value, int startIndex, int length, int capacity) {
         public System.Text.StringBuilder AppendFormat(System.IFormatProvider? provider, [System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1) { throw null; }
         public System.Text.StringBuilder AppendFormat(System.IFormatProvider? provider, [System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1, object? arg2) { throw null; }
         public System.Text.StringBuilder AppendFormat(System.IFormatProvider? provider, [System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, params object?[] args) { throw null; }
-        public System.Text.StringBuilder AppendFormat(System.IFormatProvider? provider, [System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, /*params*/ System.ReadOnlySpan<object?> args) { throw null; }
+        public System.Text.StringBuilder AppendFormat(System.IFormatProvider? provider, [System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, System.ReadOnlySpan<object?> args) { throw null; }
         public System.Text.StringBuilder AppendFormat(System.IFormatProvider? provider, System.Text.CompositeFormat format, params object?[] args) { throw null; }
-        public System.Text.StringBuilder AppendFormat(System.IFormatProvider? provider, System.Text.CompositeFormat format, /*params*/ System.ReadOnlySpan<object?> args) { throw null; }
+        public System.Text.StringBuilder AppendFormat(System.IFormatProvider? provider, System.Text.CompositeFormat format, System.ReadOnlySpan<object?> args) { throw null; }
         public System.Text.StringBuilder AppendFormat([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0) { throw null; }
         public System.Text.StringBuilder AppendFormat([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1) { throw null; }
         public System.Text.StringBuilder AppendFormat([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, object? arg0, object? arg1, object? arg2) { throw null; }
         public System.Text.StringBuilder AppendFormat([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, params object?[] args) { throw null; }
-        public System.Text.StringBuilder AppendFormat([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, /*params*/ System.ReadOnlySpan<object?> args) { throw null; }
+        public System.Text.StringBuilder AppendFormat([System.Diagnostics.CodeAnalysis.StringSyntaxAttribute("CompositeFormat")] string format, System.ReadOnlySpan<object?> args) { throw null; }
         public System.Text.StringBuilder AppendFormat<TArg0>(System.IFormatProvider? provider, System.Text.CompositeFormat format, TArg0 arg0) { throw null; }
         public System.Text.StringBuilder AppendFormat<TArg0, TArg1>(System.IFormatProvider? provider, System.Text.CompositeFormat format, TArg0 arg0, TArg1 arg1) { throw null; }
         public System.Text.StringBuilder AppendFormat<TArg0, TArg1, TArg2>(System.IFormatProvider? provider, System.Text.CompositeFormat format, TArg0 arg0, TArg1 arg1, TArg2 arg2) { throw null; }
         public System.Text.StringBuilder AppendJoin(char separator, params object?[] values) { throw null; }
         public System.Text.StringBuilder AppendJoin(char separator, params string?[] values) { throw null; }
-        public System.Text.StringBuilder AppendJoin(char separator, /*params*/ System.ReadOnlySpan<object?> values) { throw null; }
-        public System.Text.StringBuilder AppendJoin(char separator, /*params*/ System.ReadOnlySpan<string?> values) { throw null; }
+        public System.Text.StringBuilder AppendJoin(char separator, System.ReadOnlySpan<object?> values) { throw null; }
+        public System.Text.StringBuilder AppendJoin(char separator, System.ReadOnlySpan<string?> values) { throw null; }
         public System.Text.StringBuilder AppendJoin(string? separator, params object?[] values) { throw null; }
         public System.Text.StringBuilder AppendJoin(string? separator, params string?[] values) { throw null; }
-        public System.Text.StringBuilder AppendJoin(string? separator, /*params*/ System.ReadOnlySpan<object?> values) { throw null; }
-        public System.Text.StringBuilder AppendJoin(string? separator, /*params*/ System.ReadOnlySpan<string?> values) { throw null; }
+        public System.Text.StringBuilder AppendJoin(string? separator, System.ReadOnlySpan<object?> values) { throw null; }
+        public System.Text.StringBuilder AppendJoin(string? separator, System.ReadOnlySpan<string?> values) { throw null; }
         public System.Text.StringBuilder AppendJoin<T>(char separator, System.Collections.Generic.IEnumerable<T> values) { throw null; }
         public System.Text.StringBuilder AppendJoin<T>(string? separator, System.Collections.Generic.IEnumerable<T> values) { throw null; }
         public System.Text.StringBuilder AppendLine() { throw null; }
@@ -15130,7 +15130,7 @@ public void CancelAfter(System.TimeSpan delay) { }
         public System.Threading.Tasks.Task CancelAsync() { throw null; }
         public static System.Threading.CancellationTokenSource CreateLinkedTokenSource(System.Threading.CancellationToken token) { throw null; }
         public static System.Threading.CancellationTokenSource CreateLinkedTokenSource(System.Threading.CancellationToken token1, System.Threading.CancellationToken token2) { throw null; }
-        public static System.Threading.CancellationTokenSource CreateLinkedTokenSource(/*params*/ System.ReadOnlySpan<System.Threading.CancellationToken> tokens) { throw null; }
+        public static System.Threading.CancellationTokenSource CreateLinkedTokenSource(System.ReadOnlySpan<System.Threading.CancellationToken> tokens) { throw null; }
         public static System.Threading.CancellationTokenSource CreateLinkedTokenSource(params System.Threading.CancellationToken[] tokens) { throw null; }
         public void Dispose() { }
         protected virtual void Dispose(bool disposing) { }
@@ -15337,7 +15337,7 @@ public void Wait(System.Threading.CancellationToken cancellationToken) { }
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("browser")]
         public static void WaitAll(System.Collections.Generic.IEnumerable<Task> tasks, System.Threading.CancellationToken cancellationToken = default) { }
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("browser")]
-        public static void WaitAll(/*params*/ System.ReadOnlySpan<System.Threading.Tasks.Task> tasks) { }
+        public static void WaitAll(System.ReadOnlySpan<System.Threading.Tasks.Task> tasks) { }
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("browser")]
         public static void WaitAll(params System.Threading.Tasks.Task[] tasks) { }
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("browser")]
@@ -15359,18 +15359,18 @@ public static void WaitAll(System.Threading.Tasks.Task[] tasks, System.Threading
         public System.Threading.Tasks.Task WaitAsync(System.TimeSpan timeout, System.TimeProvider timeProvider) { throw null; }
         public System.Threading.Tasks.Task WaitAsync(System.TimeSpan timeout, System.TimeProvider timeProvider, System.Threading.CancellationToken cancellationToken) { throw null; }
         public static System.Threading.Tasks.Task WhenAll(System.Collections.Generic.IEnumerable<System.Threading.Tasks.Task> tasks) { throw null; }
-        public static System.Threading.Tasks.Task WhenAll(/*params*/ System.ReadOnlySpan<System.Threading.Tasks.Task> tasks) { throw null; }
+        public static System.Threading.Tasks.Task WhenAll(System.ReadOnlySpan<System.Threading.Tasks.Task> tasks) { throw null; }
         public static System.Threading.Tasks.Task WhenAll(params System.Threading.Tasks.Task[] tasks) { throw null; }
         public static System.Threading.Tasks.Task<TResult[]> WhenAll<TResult>(System.Collections.Generic.IEnumerable<System.Threading.Tasks.Task<TResult>> tasks) { throw null; }
-        public static System.Threading.Tasks.Task<TResult[]> WhenAll<TResult>(/*params*/ System.ReadOnlySpan<System.Threading.Tasks.Task<TResult>> tasks) { throw null; }
+        public static System.Threading.Tasks.Task<TResult[]> WhenAll<TResult>(System.ReadOnlySpan<System.Threading.Tasks.Task<TResult>> tasks) { throw null; }
         public static System.Threading.Tasks.Task<TResult[]> WhenAll<TResult>(params System.Threading.Tasks.Task<TResult>[] tasks) { throw null; }
         public static System.Threading.Tasks.Task<System.Threading.Tasks.Task> WhenAny(System.Collections.Generic.IEnumerable<System.Threading.Tasks.Task> tasks) { throw null; }
         public static System.Threading.Tasks.Task<System.Threading.Tasks.Task> WhenAny(System.Threading.Tasks.Task task1, System.Threading.Tasks.Task task2) { throw null; }
-        public static System.Threading.Tasks.Task<System.Threading.Tasks.Task> WhenAny(/*params*/ System.ReadOnlySpan<System.Threading.Tasks.Task> tasks) { throw null; }
+        public static System.Threading.Tasks.Task<System.Threading.Tasks.Task> WhenAny(System.ReadOnlySpan<System.Threading.Tasks.Task> tasks) { throw null; }
         public static System.Threading.Tasks.Task<System.Threading.Tasks.Task> WhenAny(params System.Threading.Tasks.Task[] tasks) { throw null; }
         public static System.Threading.Tasks.Task<System.Threading.Tasks.Task<TResult>> WhenAny<TResult>(System.Collections.Generic.IEnumerable<System.Threading.Tasks.Task<TResult>> tasks) { throw null; }
         public static System.Threading.Tasks.Task<System.Threading.Tasks.Task<TResult>> WhenAny<TResult>(System.Threading.Tasks.Task<TResult> task1, System.Threading.Tasks.Task<TResult> task2) { throw null; }
-        public static System.Threading.Tasks.Task<System.Threading.Tasks.Task<TResult>> WhenAny<TResult>(/*params*/ System.ReadOnlySpan<System.Threading.Tasks.Task<TResult>> tasks) { throw null; }
+        public static System.Threading.Tasks.Task<System.Threading.Tasks.Task<TResult>> WhenAny<TResult>(System.ReadOnlySpan<System.Threading.Tasks.Task<TResult>> tasks) { throw null; }
         public static System.Threading.Tasks.Task<System.Threading.Tasks.Task<TResult>> WhenAny<TResult>(params System.Threading.Tasks.Task<TResult>[] tasks) { throw null; }
         public static System.Collections.Generic.IAsyncEnumerable<System.Threading.Tasks.Task> WhenEach(System.Collections.Generic.IEnumerable<System.Threading.Tasks.Task> tasks) { throw null; }
         public static System.Collections.Generic.IAsyncEnumerable<System.Threading.Tasks.Task> WhenEach(params System.Threading.Tasks.Task[] tasks) { throw null; }
diff --git a/src/libraries/System.Text.Json/ref/System.Text.Json.cs b/src/libraries/System.Text.Json/ref/System.Text.Json.cs
index a3b7f6dbf1ced..e16277de47529 100644
--- a/src/libraries/System.Text.Json/ref/System.Text.Json.cs
+++ b/src/libraries/System.Text.Json/ref/System.Text.Json.cs
@@ -659,9 +659,9 @@ namespace System.Text.Json.Nodes
     public sealed partial class JsonArray : System.Text.Json.Nodes.JsonNode, System.Collections.Generic.ICollection<System.Text.Json.Nodes.JsonNode?>, System.Collections.Generic.IEnumerable<System.Text.Json.Nodes.JsonNode?>, System.Collections.Generic.IList<System.Text.Json.Nodes.JsonNode?>, System.Collections.IEnumerable
     {
         public JsonArray(System.Text.Json.Nodes.JsonNodeOptions? options = default(System.Text.Json.Nodes.JsonNodeOptions?)) { }
-        public JsonArray(System.Text.Json.Nodes.JsonNodeOptions options, /*params*/ System.ReadOnlySpan<System.Text.Json.Nodes.JsonNode?> items) { }
+        public JsonArray(System.Text.Json.Nodes.JsonNodeOptions options, System.ReadOnlySpan<System.Text.Json.Nodes.JsonNode?> items) { }
         public JsonArray(System.Text.Json.Nodes.JsonNodeOptions options, params System.Text.Json.Nodes.JsonNode?[] items) { }
-        public JsonArray(/*params*/ System.ReadOnlySpan<System.Text.Json.Nodes.JsonNode?> items) { }
+        public JsonArray(System.ReadOnlySpan<System.Text.Json.Nodes.JsonNode?> items) { }
         public JsonArray(params System.Text.Json.Nodes.JsonNode?[] items) { }
         public int Count { get { throw null; } }
         bool System.Collections.Generic.ICollection<System.Text.Json.Nodes.JsonNode?>.IsReadOnly { get { throw null; } }
@@ -1354,7 +1354,7 @@ public enum JsonTypeInfoKind
     }
     public static partial class JsonTypeInfoResolver
     {
-        public static System.Text.Json.Serialization.Metadata.IJsonTypeInfoResolver Combine(/*params*/ System.ReadOnlySpan<System.Text.Json.Serialization.Metadata.IJsonTypeInfoResolver?> resolvers) { throw null; }
+        public static System.Text.Json.Serialization.Metadata.IJsonTypeInfoResolver Combine(System.ReadOnlySpan<System.Text.Json.Serialization.Metadata.IJsonTypeInfoResolver?> resolvers) { throw null; }
         public static System.Text.Json.Serialization.Metadata.IJsonTypeInfoResolver Combine(params System.Text.Json.Serialization.Metadata.IJsonTypeInfoResolver?[] resolvers) { throw null; }
         public static System.Text.Json.Serialization.Metadata.IJsonTypeInfoResolver WithAddedModifier(this System.Text.Json.Serialization.Metadata.IJsonTypeInfoResolver resolver, System.Action<System.Text.Json.Serialization.Metadata.JsonTypeInfo> modifier) { throw null; }
     }