diff --git a/src/System.Memory/ref/System.Memory.cs b/src/System.Memory/ref/System.Memory.cs
index 1ad8edb84a95..07cf63f2e91a 100644
--- a/src/System.Memory/ref/System.Memory.cs
+++ b/src/System.Memory/ref/System.Memory.cs
@@ -86,7 +86,7 @@ public void CopyTo(System.Memory<T> destination) { }
         public static implicit operator System.Memory<T> (System.ArraySegment<T> arraySegment) { throw null; }
         public static implicit operator System.ReadOnlyMemory<T> (System.Memory<T> memory) { throw null; }
         public static implicit operator System.Memory<T> (T[] array) { throw null; }
-        public System.Buffers.MemoryHandle Retain(bool pin=false) { throw null; }
+        public System.Buffers.MemoryHandle Retain(bool pin = false) { throw null; }
         public System.Memory<T> Slice(int start) { throw null; }
         public System.Memory<T> Slice(int start, int length) { throw null; }
         public T[] ToArray() { throw null; }
@@ -110,7 +110,7 @@ public void CopyTo(System.Memory<T> destination) { }
         public override int GetHashCode() { throw null; }
         public static implicit operator System.ReadOnlyMemory<T> (System.ArraySegment<T> arraySegment) { throw null; }
         public static implicit operator System.ReadOnlyMemory<T> (T[] array) { throw null; }
-        public System.Buffers.MemoryHandle Retain(bool pin=false) { throw null; }
+        public System.Buffers.MemoryHandle Retain(bool pin = false) { throw null; }
         public System.ReadOnlyMemory<T> Slice(int start) { throw null; }
         public System.ReadOnlyMemory<T> Slice(int start, int length) { throw null; }
         public T[] ToArray() { throw null; }
@@ -203,7 +203,7 @@ public partial struct MemoryHandle : System.IDisposable
     {
         private object _dummy;
         [System.CLSCompliantAttribute(false)]
-        public unsafe MemoryHandle(System.Buffers.IRetainable retainable, void* pointer=null, System.Runtime.InteropServices.GCHandle handle=default(System.Runtime.InteropServices.GCHandle)) { throw null; }
+        public unsafe MemoryHandle(System.Buffers.IRetainable retainable, void* pointer = null, System.Runtime.InteropServices.GCHandle handle = default(System.Runtime.InteropServices.GCHandle)) { throw null; }
         public bool HasPointer { get { throw null; } }
         [System.CLSCompliantAttribute(false)]
         public unsafe void* Pointer { get { throw null; } }
@@ -226,7 +226,7 @@ protected OwnedMemory() { }
         public abstract System.Span<T> Span { get; }
         public void Dispose() { }
         protected abstract void Dispose(bool disposing);
-        public abstract System.Buffers.MemoryHandle Pin(int byteOffset=0);
+        public abstract System.Buffers.MemoryHandle Pin(int byteOffset = 0);
         public abstract bool Release();
         public abstract void Retain();
         protected internal abstract bool TryGetArray(out System.ArraySegment<T> arraySegment);
@@ -236,7 +236,7 @@ public void Dispose() { }
         private readonly int _dummy;
         public const byte MaxPrecision = (byte)99;
         public const byte NoPrecision = (byte)255;
-        public StandardFormat(char symbol, byte precision=(byte)255) { throw null; }
+        public StandardFormat(char symbol, byte precision = (byte)255) { throw null; }
         public bool HasPrecision { get { throw null; } }
         public bool IsDefault { get { throw null; } }
         public byte Precision { get { throw null; } }
@@ -350,58 +350,58 @@ namespace System.Buffers.Text
 {
     public static partial class Base64
     {
-        public static System.Buffers.OperationStatus DecodeFromUtf8(System.ReadOnlySpan<byte> utf8, System.Span<byte> bytes, out int consumed, out int written, bool isFinalBlock=true) { throw null; }
+        public static System.Buffers.OperationStatus DecodeFromUtf8(System.ReadOnlySpan<byte> utf8, System.Span<byte> bytes, out int consumed, out int written, bool isFinalBlock = true) { throw null; }
         public static System.Buffers.OperationStatus DecodeFromUtf8InPlace(System.Span<byte> buffer, out int written) { throw null; }
-        public static System.Buffers.OperationStatus EncodeToUtf8(System.ReadOnlySpan<byte> bytes, System.Span<byte> utf8, out int consumed, out int written, bool isFinalBlock=true) { throw null; }
+        public static System.Buffers.OperationStatus EncodeToUtf8(System.ReadOnlySpan<byte> bytes, System.Span<byte> utf8, out int consumed, out int written, bool isFinalBlock = true) { throw null; }
         public static System.Buffers.OperationStatus EncodeToUtf8InPlace(System.Span<byte> buffer, int dataLength, out int written) { throw null; }
         public static int GetMaxDecodedFromUtf8Length(int length) { throw null; }
         public static int GetMaxEncodedToUtf8Length(int length) { throw null; }
     }
     public static partial class Utf8Formatter
     {
-        public static bool TryFormat(bool value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format=default(System.Buffers.StandardFormat)) { throw null; }
-        public static bool TryFormat(byte value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format=default(System.Buffers.StandardFormat)) { throw null; }
-        public static bool TryFormat(System.DateTime value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format=default(System.Buffers.StandardFormat)) { throw null; }
-        public static bool TryFormat(System.DateTimeOffset value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format=default(System.Buffers.StandardFormat)) { throw null; }
-        public static bool TryFormat(decimal value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format=default(System.Buffers.StandardFormat)) { throw null; }
-        public static bool TryFormat(double value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format=default(System.Buffers.StandardFormat)) { throw null; }
-        public static bool TryFormat(System.Guid value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format=default(System.Buffers.StandardFormat)) { throw null; }
-        public static bool TryFormat(short value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format=default(System.Buffers.StandardFormat)) { throw null; }
-        public static bool TryFormat(int value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format=default(System.Buffers.StandardFormat)) { throw null; }
-        public static bool TryFormat(long value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format=default(System.Buffers.StandardFormat)) { throw null; }
-        [System.CLSCompliantAttribute(false)]
-        public static bool TryFormat(sbyte value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format=default(System.Buffers.StandardFormat)) { throw null; }
-        public static bool TryFormat(float value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format=default(System.Buffers.StandardFormat)) { throw null; }
-        public static bool TryFormat(System.TimeSpan value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format=default(System.Buffers.StandardFormat)) { throw null; }
-        [System.CLSCompliantAttribute(false)]
-        public static bool TryFormat(ushort value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format=default(System.Buffers.StandardFormat)) { throw null; }
-        [System.CLSCompliantAttribute(false)]
-        public static bool TryFormat(uint value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format=default(System.Buffers.StandardFormat)) { throw null; }
-        [System.CLSCompliantAttribute(false)]
-        public static bool TryFormat(ulong value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format=default(System.Buffers.StandardFormat)) { throw null; }
+        public static bool TryFormat(bool value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format = default(System.Buffers.StandardFormat)) { throw null; }
+        public static bool TryFormat(byte value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format = default(System.Buffers.StandardFormat)) { throw null; }
+        public static bool TryFormat(System.DateTime value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format = default(System.Buffers.StandardFormat)) { throw null; }
+        public static bool TryFormat(System.DateTimeOffset value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format = default(System.Buffers.StandardFormat)) { throw null; }
+        public static bool TryFormat(decimal value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format = default(System.Buffers.StandardFormat)) { throw null; }
+        public static bool TryFormat(double value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format = default(System.Buffers.StandardFormat)) { throw null; }
+        public static bool TryFormat(System.Guid value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format = default(System.Buffers.StandardFormat)) { throw null; }
+        public static bool TryFormat(short value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format = default(System.Buffers.StandardFormat)) { throw null; }
+        public static bool TryFormat(int value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format = default(System.Buffers.StandardFormat)) { throw null; }
+        public static bool TryFormat(long value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format = default(System.Buffers.StandardFormat)) { throw null; }
+        [System.CLSCompliantAttribute(false)]
+        public static bool TryFormat(sbyte value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format = default(System.Buffers.StandardFormat)) { throw null; }
+        public static bool TryFormat(float value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format = default(System.Buffers.StandardFormat)) { throw null; }
+        public static bool TryFormat(System.TimeSpan value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format = default(System.Buffers.StandardFormat)) { throw null; }
+        [System.CLSCompliantAttribute(false)]
+        public static bool TryFormat(ushort value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format = default(System.Buffers.StandardFormat)) { throw null; }
+        [System.CLSCompliantAttribute(false)]
+        public static bool TryFormat(uint value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format = default(System.Buffers.StandardFormat)) { throw null; }
+        [System.CLSCompliantAttribute(false)]
+        public static bool TryFormat(ulong value, System.Span<byte> buffer, out int bytesWritten, System.Buffers.StandardFormat format = default(System.Buffers.StandardFormat)) { throw null; }
     }
     public static partial class Utf8Parser
     {
-        public static bool TryParse(System.ReadOnlySpan<byte> text, out bool value, out int bytesConsumed, char standardFormat='\0') { throw null; }
-        public static bool TryParse(System.ReadOnlySpan<byte> text, out byte value, out int bytesConsumed, char standardFormat='\0') { throw null; }
-        public static bool TryParse(System.ReadOnlySpan<byte> text, out System.DateTime value, out int bytesConsumed, char standardFormat='\0') { throw null; }
-        public static bool TryParse(System.ReadOnlySpan<byte> text, out System.DateTimeOffset value, out int bytesConsumed, char standardFormat='\0') { throw null; }
-        public static bool TryParse(System.ReadOnlySpan<byte> text, out decimal value, out int bytesConsumed, char standardFormat='\0') { throw null; }
-        public static bool TryParse(System.ReadOnlySpan<byte> text, out double value, out int bytesConsumed, char standardFormat='\0') { throw null; }
-        public static bool TryParse(System.ReadOnlySpan<byte> text, out System.Guid value, out int bytesConsumed, char standardFormat='\0') { throw null; }
-        public static bool TryParse(System.ReadOnlySpan<byte> text, out short value, out int bytesConsumed, char standardFormat='\0') { throw null; }
-        public static bool TryParse(System.ReadOnlySpan<byte> text, out int value, out int bytesConsumed, char standardFormat='\0') { throw null; }
-        public static bool TryParse(System.ReadOnlySpan<byte> text, out long value, out int bytesConsumed, char standardFormat='\0') { throw null; }
-        [System.CLSCompliantAttribute(false)]
-        public static bool TryParse(System.ReadOnlySpan<byte> text, out sbyte value, out int bytesConsumed, char standardFormat='\0') { throw null; }
-        public static bool TryParse(System.ReadOnlySpan<byte> text, out float value, out int bytesConsumed, char standardFormat='\0') { throw null; }
-        public static bool TryParse(System.ReadOnlySpan<byte> text, out System.TimeSpan value, out int bytesConsumed, char standardFormat='\0') { throw null; }
-        [System.CLSCompliantAttribute(false)]
-        public static bool TryParse(System.ReadOnlySpan<byte> text, out ushort value, out int bytesConsumed, char standardFormat='\0') { throw null; }
-        [System.CLSCompliantAttribute(false)]
-        public static bool TryParse(System.ReadOnlySpan<byte> text, out uint value, out int bytesConsumed, char standardFormat='\0') { throw null; }
-        [System.CLSCompliantAttribute(false)]
-        public static bool TryParse(System.ReadOnlySpan<byte> text, out ulong value, out int bytesConsumed, char standardFormat='\0') { throw null; }
+        public static bool TryParse(System.ReadOnlySpan<byte> text, out bool value, out int bytesConsumed, char standardFormat = '\0') { throw null; }
+        public static bool TryParse(System.ReadOnlySpan<byte> text, out byte value, out int bytesConsumed, char standardFormat = '\0') { throw null; }
+        public static bool TryParse(System.ReadOnlySpan<byte> text, out System.DateTime value, out int bytesConsumed, char standardFormat = '\0') { throw null; }
+        public static bool TryParse(System.ReadOnlySpan<byte> text, out System.DateTimeOffset value, out int bytesConsumed, char standardFormat = '\0') { throw null; }
+        public static bool TryParse(System.ReadOnlySpan<byte> text, out decimal value, out int bytesConsumed, char standardFormat = '\0') { throw null; }
+        public static bool TryParse(System.ReadOnlySpan<byte> text, out double value, out int bytesConsumed, char standardFormat = '\0') { throw null; }
+        public static bool TryParse(System.ReadOnlySpan<byte> text, out System.Guid value, out int bytesConsumed, char standardFormat = '\0') { throw null; }
+        public static bool TryParse(System.ReadOnlySpan<byte> text, out short value, out int bytesConsumed, char standardFormat = '\0') { throw null; }
+        public static bool TryParse(System.ReadOnlySpan<byte> text, out int value, out int bytesConsumed, char standardFormat = '\0') { throw null; }
+        public static bool TryParse(System.ReadOnlySpan<byte> text, out long value, out int bytesConsumed, char standardFormat = '\0') { throw null; }
+        [System.CLSCompliantAttribute(false)]
+        public static bool TryParse(System.ReadOnlySpan<byte> text, out sbyte value, out int bytesConsumed, char standardFormat = '\0') { throw null; }
+        public static bool TryParse(System.ReadOnlySpan<byte> text, out float value, out int bytesConsumed, char standardFormat = '\0') { throw null; }
+        public static bool TryParse(System.ReadOnlySpan<byte> text, out System.TimeSpan value, out int bytesConsumed, char standardFormat = '\0') { throw null; }
+        [System.CLSCompliantAttribute(false)]
+        public static bool TryParse(System.ReadOnlySpan<byte> text, out ushort value, out int bytesConsumed, char standardFormat = '\0') { throw null; }
+        [System.CLSCompliantAttribute(false)]
+        public static bool TryParse(System.ReadOnlySpan<byte> text, out uint value, out int bytesConsumed, char standardFormat = '\0') { throw null; }
+        [System.CLSCompliantAttribute(false)]
+        public static bool TryParse(System.ReadOnlySpan<byte> text, out ulong value, out int bytesConsumed, char standardFormat = '\0') { throw null; }
     }
 }
 namespace System.Runtime.InteropServices
diff --git a/src/System.Runtime/ref/System.Runtime.cs b/src/System.Runtime/ref/System.Runtime.cs
index 78b33134a41a..6483680e8bab 100644
--- a/src/System.Runtime/ref/System.Runtime.cs
+++ b/src/System.Runtime/ref/System.Runtime.cs
@@ -459,7 +459,7 @@ public partial struct Byte : System.IComparable, System.IComparable<byte>, Syste
         public override bool Equals(object obj) { throw null; }
         public override int GetHashCode() { throw null; }
         public System.TypeCode GetTypeCode() { throw null; }
-        public static System.Byte Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style=(System.Globalization.NumberStyles)(7), System.IFormatProvider provider=null) { throw null; }
+        public static System.Byte Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style = (System.Globalization.NumberStyles)(7), System.IFormatProvider provider = null) { throw null; }
         public static System.Byte Parse(string s) { throw null; }
         public static System.Byte Parse(string s, System.Globalization.NumberStyles style) { throw null; }
         public static System.Byte Parse(string s, System.Globalization.NumberStyles style, System.IFormatProvider provider) { throw null; }
@@ -483,7 +483,7 @@ public partial struct Byte : System.IComparable, System.IComparable<byte>, Syste
         public string ToString(System.IFormatProvider provider) { throw null; }
         public string ToString(string format) { throw null; }
         public string ToString(string format, System.IFormatProvider provider) { throw null; }
-        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format=default(System.ReadOnlySpan<char>), System.IFormatProvider provider=null) { throw null; }
+        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format = default(System.ReadOnlySpan<char>), System.IFormatProvider provider = null) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> s, out System.Byte result) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style, System.IFormatProvider provider, out System.Byte result) { throw null; }
         public static bool TryParse(string s, out System.Byte result) { throw null; }
@@ -652,12 +652,12 @@ public CLSCompliantAttribute(bool isCompliant) { }
         public static bool operator <=(System.DateTime t1, System.DateTime t2) { throw null; }
         public static System.TimeSpan operator -(System.DateTime d1, System.DateTime d2) { throw null; }
         public static System.DateTime operator -(System.DateTime d, System.TimeSpan t) { throw null; }
-        public static System.DateTime Parse(System.ReadOnlySpan<char> s, System.IFormatProvider provider=null, System.Globalization.DateTimeStyles styles=(System.Globalization.DateTimeStyles)(0)) { throw null; }
+        public static System.DateTime Parse(System.ReadOnlySpan<char> s, System.IFormatProvider provider = null, System.Globalization.DateTimeStyles styles = (System.Globalization.DateTimeStyles)(0)) { throw null; }
         public static System.DateTime Parse(string s) { throw null; }
         public static System.DateTime Parse(string s, System.IFormatProvider provider) { throw null; }
         public static System.DateTime Parse(string s, System.IFormatProvider provider, System.Globalization.DateTimeStyles styles) { throw null; }
-        public static System.DateTime ParseExact(System.ReadOnlySpan<char> s, System.ReadOnlySpan<char> format, System.IFormatProvider provider, System.Globalization.DateTimeStyles style=(System.Globalization.DateTimeStyles)(0)) { throw null; }
-        public static System.DateTime ParseExact(System.ReadOnlySpan<char> s, string[] formats, System.IFormatProvider provider, System.Globalization.DateTimeStyles style=(System.Globalization.DateTimeStyles)(0)) { throw null; }
+        public static System.DateTime ParseExact(System.ReadOnlySpan<char> s, System.ReadOnlySpan<char> format, System.IFormatProvider provider, System.Globalization.DateTimeStyles style = (System.Globalization.DateTimeStyles)(0)) { throw null; }
+        public static System.DateTime ParseExact(System.ReadOnlySpan<char> s, string[] formats, System.IFormatProvider provider, System.Globalization.DateTimeStyles style = (System.Globalization.DateTimeStyles)(0)) { throw null; }
         public static System.DateTime ParseExact(string s, string format, System.IFormatProvider provider) { throw null; }
         public static System.DateTime ParseExact(string s, string format, System.IFormatProvider provider, System.Globalization.DateTimeStyles style) { throw null; }
         public static System.DateTime ParseExact(string s, string[] formats, System.IFormatProvider provider, System.Globalization.DateTimeStyles style) { throw null; }
@@ -694,7 +694,7 @@ void System.Runtime.Serialization.ISerializable.GetObjectData(System.Runtime.Ser
         public string ToString(string format) { throw null; }
         public string ToString(string format, System.IFormatProvider provider) { throw null; }
         public System.DateTime ToUniversalTime() { throw null; }
-        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format=default(System.ReadOnlySpan<char>), System.IFormatProvider provider=null) { throw null; }
+        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format = default(System.ReadOnlySpan<char>), System.IFormatProvider provider = null) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> s, out System.DateTime result) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> s, System.IFormatProvider provider, System.Globalization.DateTimeStyles styles, out System.DateTime result) { throw null; }
         public static bool TryParse(string s, out System.DateTime result) { throw null; }
@@ -770,12 +770,12 @@ public partial struct DateTimeOffset : System.IComparable, System.IComparable<Sy
         public static bool operator <=(System.DateTimeOffset left, System.DateTimeOffset right) { throw null; }
         public static System.TimeSpan operator -(System.DateTimeOffset left, System.DateTimeOffset right) { throw null; }
         public static System.DateTimeOffset operator -(System.DateTimeOffset dateTimeOffset, System.TimeSpan timeSpan) { throw null; }
-        public static System.DateTimeOffset Parse(System.ReadOnlySpan<char> input, System.IFormatProvider formatProvider=null, System.Globalization.DateTimeStyles styles=(System.Globalization.DateTimeStyles)(0)) { throw null; }
+        public static System.DateTimeOffset Parse(System.ReadOnlySpan<char> input, System.IFormatProvider formatProvider = null, System.Globalization.DateTimeStyles styles = (System.Globalization.DateTimeStyles)(0)) { throw null; }
         public static System.DateTimeOffset Parse(string input) { throw null; }
         public static System.DateTimeOffset Parse(string input, System.IFormatProvider formatProvider) { throw null; }
         public static System.DateTimeOffset Parse(string input, System.IFormatProvider formatProvider, System.Globalization.DateTimeStyles styles) { throw null; }
-        public static System.DateTimeOffset ParseExact(System.ReadOnlySpan<char> input, System.ReadOnlySpan<char> format, System.IFormatProvider formatProvider, System.Globalization.DateTimeStyles styles=(System.Globalization.DateTimeStyles)(0)) { throw null; }
-        public static System.DateTimeOffset ParseExact(System.ReadOnlySpan<char> input, string[] formats, System.IFormatProvider formatProvider, System.Globalization.DateTimeStyles styles=(System.Globalization.DateTimeStyles)(0)) { throw null; }
+        public static System.DateTimeOffset ParseExact(System.ReadOnlySpan<char> input, System.ReadOnlySpan<char> format, System.IFormatProvider formatProvider, System.Globalization.DateTimeStyles styles = (System.Globalization.DateTimeStyles)(0)) { throw null; }
+        public static System.DateTimeOffset ParseExact(System.ReadOnlySpan<char> input, string[] formats, System.IFormatProvider formatProvider, System.Globalization.DateTimeStyles styles = (System.Globalization.DateTimeStyles)(0)) { throw null; }
         public static System.DateTimeOffset ParseExact(string input, string format, System.IFormatProvider formatProvider) { throw null; }
         public static System.DateTimeOffset ParseExact(string input, string format, System.IFormatProvider formatProvider, System.Globalization.DateTimeStyles styles) { throw null; }
         public static System.DateTimeOffset ParseExact(string input, string[] formats, System.IFormatProvider formatProvider, System.Globalization.DateTimeStyles styles) { throw null; }
@@ -794,7 +794,7 @@ void System.Runtime.Serialization.ISerializable.GetObjectData(System.Runtime.Ser
         public System.DateTimeOffset ToUniversalTime() { throw null; }
         public long ToUnixTimeMilliseconds() { throw null; }
         public long ToUnixTimeSeconds() { throw null; }
-        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format=default(System.ReadOnlySpan<char>), System.IFormatProvider formatProvider=null) { throw null; }
+        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format = default(System.ReadOnlySpan<char>), System.IFormatProvider formatProvider = null) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> input, out System.DateTimeOffset result) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> input, System.IFormatProvider formatProvider, System.Globalization.DateTimeStyles styles, out System.DateTimeOffset result) { throw null; }
         public static bool TryParse(string input, out System.DateTimeOffset result) { throw null; }
@@ -922,7 +922,7 @@ public partial struct Decimal : System.IComparable, System.IComparable<decimal>,
         public static System.Decimal operator -(System.Decimal d1, System.Decimal d2) { throw null; }
         public static System.Decimal operator -(System.Decimal d) { throw null; }
         public static System.Decimal operator +(System.Decimal d) { throw null; }
-        public static System.Decimal Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style=(System.Globalization.NumberStyles)(7), System.IFormatProvider provider=null) { throw null; }
+        public static System.Decimal Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style = (System.Globalization.NumberStyles)(7), System.IFormatProvider provider = null) { throw null; }
         public static System.Decimal Parse(string s) { throw null; }
         public static System.Decimal Parse(string s, System.Globalization.NumberStyles style) { throw null; }
         public static System.Decimal Parse(string s, System.Globalization.NumberStyles style, System.IFormatProvider provider) { throw null; }
@@ -969,7 +969,7 @@ void System.Runtime.Serialization.IDeserializationCallback.OnDeserialization(obj
         [System.CLSCompliantAttribute(false)]
         public static ulong ToUInt64(System.Decimal d) { throw null; }
         public static System.Decimal Truncate(System.Decimal d) { throw null; }
-        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format=default(System.ReadOnlySpan<char>), System.IFormatProvider provider=null) { throw null; }
+        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format = default(System.ReadOnlySpan<char>), System.IFormatProvider provider = null) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> s, out System.Decimal result) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style, System.IFormatProvider provider, out System.Decimal result) { throw null; }
         public static bool TryParse(string s, out System.Decimal result) { throw null; }
@@ -1044,7 +1044,7 @@ public partial struct Double : System.IComparable, System.IComparable<double>, S
         public static bool operator !=(System.Double left, System.Double right) { throw null; }
         public static bool operator <(System.Double left, System.Double right) { throw null; }
         public static bool operator <=(System.Double left, System.Double right) { throw null; }
-        public static System.Double Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style=(System.Globalization.NumberStyles)(7), System.IFormatProvider provider=null) { throw null; }
+        public static System.Double Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style = (System.Globalization.NumberStyles)(7), System.IFormatProvider provider = null) { throw null; }
         public static System.Double Parse(string s) { throw null; }
         public static System.Double Parse(string s, System.Globalization.NumberStyles style) { throw null; }
         public static System.Double Parse(string s, System.Globalization.NumberStyles style, System.IFormatProvider provider) { throw null; }
@@ -1068,7 +1068,7 @@ public partial struct Double : System.IComparable, System.IComparable<double>, S
         public string ToString(System.IFormatProvider provider) { throw null; }
         public string ToString(string format) { throw null; }
         public string ToString(string format, System.IFormatProvider provider) { throw null; }
-        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format=default(System.ReadOnlySpan<char>), System.IFormatProvider provider=null) { throw null; }
+        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format = default(System.ReadOnlySpan<char>), System.IFormatProvider provider = null) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> s, out System.Double result) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style, System.IFormatProvider provider, out System.Double result) { throw null; }
         public static bool TryParse(string s, out System.Double result) { throw null; }
@@ -1332,7 +1332,7 @@ public partial struct Guid : System.IComparable, System.IComparable<System.Guid>
         public override string ToString() { throw null; }
         public string ToString(string format) { throw null; }
         public string ToString(string format, System.IFormatProvider provider) { throw null; }
-        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format=default(System.ReadOnlySpan<char>)) { throw null; }
+        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format = default(System.ReadOnlySpan<char>)) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> input, out System.Guid result) { throw null; }
         public static bool TryParse(string input, out System.Guid result) { throw null; }
         public static bool TryParseExact(System.ReadOnlySpan<char> input, System.ReadOnlySpan<char> format, out System.Guid result) { throw null; }
@@ -1453,7 +1453,7 @@ public partial struct Int16 : System.IComparable, System.IComparable<short>, Sys
         public override bool Equals(object obj) { throw null; }
         public override int GetHashCode() { throw null; }
         public System.TypeCode GetTypeCode() { throw null; }
-        public static System.Int16 Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style=(System.Globalization.NumberStyles)(7), System.IFormatProvider provider=null) { throw null; }
+        public static System.Int16 Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style = (System.Globalization.NumberStyles)(7), System.IFormatProvider provider = null) { throw null; }
         public static System.Int16 Parse(string s) { throw null; }
         public static System.Int16 Parse(string s, System.Globalization.NumberStyles style) { throw null; }
         public static System.Int16 Parse(string s, System.Globalization.NumberStyles style, System.IFormatProvider provider) { throw null; }
@@ -1477,7 +1477,7 @@ public partial struct Int16 : System.IComparable, System.IComparable<short>, Sys
         public string ToString(System.IFormatProvider provider) { throw null; }
         public string ToString(string format) { throw null; }
         public string ToString(string format, System.IFormatProvider provider) { throw null; }
-        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format=default(System.ReadOnlySpan<char>), System.IFormatProvider provider=null) { throw null; }
+        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format = default(System.ReadOnlySpan<char>), System.IFormatProvider provider = null) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style, System.IFormatProvider provider, out System.Int16 result) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> s, out System.Int16 result) { throw null; }
         public static bool TryParse(string s, System.Globalization.NumberStyles style, System.IFormatProvider provider, out System.Int16 result) { throw null; }
@@ -1494,7 +1494,7 @@ public partial struct Int32 : System.IComparable, System.IComparable<int>, Syste
         public override bool Equals(object obj) { throw null; }
         public override System.Int32 GetHashCode() { throw null; }
         public System.TypeCode GetTypeCode() { throw null; }
-        public static System.Int32 Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style=(System.Globalization.NumberStyles)(7), System.IFormatProvider provider=null) { throw null; }
+        public static System.Int32 Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style = (System.Globalization.NumberStyles)(7), System.IFormatProvider provider = null) { throw null; }
         public static System.Int32 Parse(string s) { throw null; }
         public static System.Int32 Parse(string s, System.Globalization.NumberStyles style) { throw null; }
         public static System.Int32 Parse(string s, System.Globalization.NumberStyles style, System.IFormatProvider provider) { throw null; }
@@ -1518,7 +1518,7 @@ public partial struct Int32 : System.IComparable, System.IComparable<int>, Syste
         public string ToString(System.IFormatProvider provider) { throw null; }
         public string ToString(string format) { throw null; }
         public string ToString(string format, System.IFormatProvider provider) { throw null; }
-        public bool TryFormat(System.Span<char> destination, out System.Int32 charsWritten, System.ReadOnlySpan<char> format=default(System.ReadOnlySpan<char>), System.IFormatProvider provider=null) { throw null; }
+        public bool TryFormat(System.Span<char> destination, out System.Int32 charsWritten, System.ReadOnlySpan<char> format = default(System.ReadOnlySpan<char>), System.IFormatProvider provider = null) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style, System.IFormatProvider provider, out System.Int32 result) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> s, out System.Int32 result) { throw null; }
         public static bool TryParse(string s, System.Globalization.NumberStyles style, System.IFormatProvider provider, out System.Int32 result) { throw null; }
@@ -1535,7 +1535,7 @@ public partial struct Int64 : System.IComparable, System.IComparable<long>, Syst
         public override bool Equals(object obj) { throw null; }
         public override int GetHashCode() { throw null; }
         public System.TypeCode GetTypeCode() { throw null; }
-        public static System.Int64 Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style=(System.Globalization.NumberStyles)(7), System.IFormatProvider provider=null) { throw null; }
+        public static System.Int64 Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style = (System.Globalization.NumberStyles)(7), System.IFormatProvider provider = null) { throw null; }
         public static System.Int64 Parse(string s) { throw null; }
         public static System.Int64 Parse(string s, System.Globalization.NumberStyles style) { throw null; }
         public static System.Int64 Parse(string s, System.Globalization.NumberStyles style, System.IFormatProvider provider) { throw null; }
@@ -1559,7 +1559,7 @@ public partial struct Int64 : System.IComparable, System.IComparable<long>, Syst
         public string ToString(System.IFormatProvider provider) { throw null; }
         public string ToString(string format) { throw null; }
         public string ToString(string format, System.IFormatProvider provider) { throw null; }
-        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format=default(System.ReadOnlySpan<char>), System.IFormatProvider provider=null) { throw null; }
+        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format = default(System.ReadOnlySpan<char>), System.IFormatProvider provider = null) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style, System.IFormatProvider provider, out System.Int64 result) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> s, out System.Int64 result) { throw null; }
         public static bool TryParse(string s, System.Globalization.NumberStyles style, System.IFormatProvider provider, out System.Int64 result) { throw null; }
@@ -1700,7 +1700,7 @@ public void CopyTo(System.Memory<T> destination) { }
         public static implicit operator System.Memory<T> (System.ArraySegment<T> arraySegment) { throw null; }
         public static implicit operator System.ReadOnlyMemory<T> (System.Memory<T> memory) { throw null; }
         public static implicit operator System.Memory<T> (T[] array) { throw null; }
-        public System.Buffers.MemoryHandle Retain(bool pin=false) { throw null; }
+        public System.Buffers.MemoryHandle Retain(bool pin = false) { throw null; }
         public System.Memory<T> Slice(int start) { throw null; }
         public System.Memory<T> Slice(int start, int length) { throw null; }
         public T[] ToArray() { throw null; }
@@ -1947,7 +1947,7 @@ public void CopyTo(System.Memory<T> destination) { }
         public override int GetHashCode() { throw null; }
         public static implicit operator System.ReadOnlyMemory<T> (System.ArraySegment<T> arraySegment) { throw null; }
         public static implicit operator System.ReadOnlyMemory<T> (T[] array) { throw null; }
-        public System.Buffers.MemoryHandle Retain(bool pin=false) { throw null; }
+        public System.Buffers.MemoryHandle Retain(bool pin = false) { throw null; }
         public System.ReadOnlyMemory<T> Slice(int start) { throw null; }
         public System.ReadOnlyMemory<T> Slice(int start, int length) { throw null; }
         public T[] ToArray() { throw null; }
@@ -2050,7 +2050,7 @@ public partial struct SByte : System.IComparable, System.IComparable<sbyte>, Sys
         public override int GetHashCode() { throw null; }
         public System.TypeCode GetTypeCode() { throw null; }
         [System.CLSCompliantAttribute(false)]
-        public static System.SByte Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style=(System.Globalization.NumberStyles)(7), System.IFormatProvider provider=null) { throw null; }
+        public static System.SByte Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style = (System.Globalization.NumberStyles)(7), System.IFormatProvider provider = null) { throw null; }
         [System.CLSCompliantAttribute(false)]
         public static System.SByte Parse(string s) { throw null; }
         [System.CLSCompliantAttribute(false)]
@@ -2078,7 +2078,7 @@ public partial struct SByte : System.IComparable, System.IComparable<sbyte>, Sys
         public string ToString(System.IFormatProvider provider) { throw null; }
         public string ToString(string format) { throw null; }
         public string ToString(string format, System.IFormatProvider provider) { throw null; }
-        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format=default(System.ReadOnlySpan<char>), System.IFormatProvider provider=null) { throw null; }
+        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format = default(System.ReadOnlySpan<char>), System.IFormatProvider provider = null) { throw null; }
         [System.CLSCompliantAttribute(false)]
         public static bool TryParse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style, System.IFormatProvider provider, out System.SByte result) { throw null; }
         [System.CLSCompliantAttribute(false)]
@@ -2122,7 +2122,7 @@ public partial struct Single : System.IComparable, System.IComparable<float>, Sy
         public static bool operator !=(System.Single left, System.Single right) { throw null; }
         public static bool operator <(System.Single left, System.Single right) { throw null; }
         public static bool operator <=(System.Single left, System.Single right) { throw null; }
-        public static System.Single Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style=(System.Globalization.NumberStyles)(7), System.IFormatProvider provider=null) { throw null; }
+        public static System.Single Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style = (System.Globalization.NumberStyles)(7), System.IFormatProvider provider = null) { throw null; }
         public static System.Single Parse(string s) { throw null; }
         public static System.Single Parse(string s, System.Globalization.NumberStyles style) { throw null; }
         public static System.Single Parse(string s, System.Globalization.NumberStyles style, System.IFormatProvider provider) { throw null; }
@@ -2146,7 +2146,7 @@ public partial struct Single : System.IComparable, System.IComparable<float>, Sy
         public string ToString(System.IFormatProvider provider) { throw null; }
         public string ToString(string format) { throw null; }
         public string ToString(string format, System.IFormatProvider provider) { throw null; }
-        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format=default(System.ReadOnlySpan<char>), System.IFormatProvider provider=null) { throw null; }
+        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format = default(System.ReadOnlySpan<char>), System.IFormatProvider provider = null) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style, System.IFormatProvider provider, out System.Single result) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> s, out System.Single result) { throw null; }
         public static bool TryParse(string s, System.Globalization.NumberStyles style, System.IFormatProvider provider, out System.Single result) { throw null; }
@@ -2331,14 +2331,14 @@ public void CopyTo(int sourceIndex, char[] destination, int destinationIndex, in
         public System.String Replace(System.String oldValue, System.String newValue) { throw null; }
         public System.String Replace(System.String oldValue, System.String newValue, bool ignoreCase, System.Globalization.CultureInfo culture) { throw null; }
         public System.String Replace(System.String oldValue, System.String newValue, System.StringComparison comparisonType) { throw null; }
-        public string[] Split(char separator, int count, System.StringSplitOptions options=(System.StringSplitOptions)(0)) { throw null; }
-        public string[] Split(char separator, System.StringSplitOptions options=(System.StringSplitOptions)(0)) { throw null; }
+        public string[] Split(char separator, int count, System.StringSplitOptions options = (System.StringSplitOptions)(0)) { throw null; }
+        public string[] Split(char separator, System.StringSplitOptions options = (System.StringSplitOptions)(0)) { throw null; }
         public string[] Split(params 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; }
-        public string[] Split(System.String separator, int count, System.StringSplitOptions options=(System.StringSplitOptions)(0)) { throw null; }
-        public string[] Split(System.String separator, System.StringSplitOptions options=(System.StringSplitOptions)(0)) { throw null; }
+        public string[] Split(System.String separator, int count, System.StringSplitOptions options = (System.StringSplitOptions)(0)) { throw null; }
+        public string[] Split(System.String separator, System.StringSplitOptions options = (System.StringSplitOptions)(0)) { throw null; }
         public string[] Split(string[] separator, int count, System.StringSplitOptions options) { throw null; }
         public string[] Split(string[] separator, System.StringSplitOptions options) { throw null; }
         public bool StartsWith(char value) { throw null; }
@@ -2477,11 +2477,11 @@ public partial struct TimeSpan : System.IComparable, System.IComparable<System.T
         public static System.TimeSpan operator -(System.TimeSpan t1, System.TimeSpan t2) { throw null; }
         public static System.TimeSpan operator -(System.TimeSpan t) { throw null; }
         public static System.TimeSpan operator +(System.TimeSpan t) { throw null; }
-        public static System.TimeSpan Parse(System.ReadOnlySpan<char> input, System.IFormatProvider formatProvider=null) { throw null; }
+        public static System.TimeSpan Parse(System.ReadOnlySpan<char> input, System.IFormatProvider formatProvider = null) { throw null; }
         public static System.TimeSpan Parse(string s) { throw null; }
         public static System.TimeSpan Parse(string input, System.IFormatProvider formatProvider) { throw null; }
-        public static System.TimeSpan ParseExact(System.ReadOnlySpan<char> input, System.ReadOnlySpan<char> format, System.IFormatProvider formatProvider, System.Globalization.TimeSpanStyles styles=(System.Globalization.TimeSpanStyles)(0)) { throw null; }
-        public static System.TimeSpan ParseExact(System.ReadOnlySpan<char> input, string[] formats, System.IFormatProvider formatProvider, System.Globalization.TimeSpanStyles styles=(System.Globalization.TimeSpanStyles)(0)) { throw null; }
+        public static System.TimeSpan ParseExact(System.ReadOnlySpan<char> input, System.ReadOnlySpan<char> format, System.IFormatProvider formatProvider, System.Globalization.TimeSpanStyles styles = (System.Globalization.TimeSpanStyles)(0)) { throw null; }
+        public static System.TimeSpan ParseExact(System.ReadOnlySpan<char> input, string[] formats, System.IFormatProvider formatProvider, System.Globalization.TimeSpanStyles styles = (System.Globalization.TimeSpanStyles)(0)) { throw null; }
         public static System.TimeSpan ParseExact(string input, string format, System.IFormatProvider formatProvider) { throw null; }
         public static System.TimeSpan ParseExact(string input, string format, System.IFormatProvider formatProvider, System.Globalization.TimeSpanStyles styles) { throw null; }
         public static System.TimeSpan ParseExact(string input, string[] formats, System.IFormatProvider formatProvider) { throw null; }
@@ -2490,7 +2490,7 @@ public partial struct TimeSpan : System.IComparable, System.IComparable<System.T
         public override string ToString() { throw null; }
         public string ToString(string format) { throw null; }
         public string ToString(string format, System.IFormatProvider formatProvider) { throw null; }
-        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format=default(System.ReadOnlySpan<char>), System.IFormatProvider formatProvider=null) { throw null; }
+        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format = default(System.ReadOnlySpan<char>), System.IFormatProvider formatProvider = null) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> input, System.IFormatProvider formatProvider, out System.TimeSpan result) { throw null; }
         public static bool TryParse(System.ReadOnlySpan<char> s, out System.TimeSpan result) { throw null; }
         public static bool TryParse(string input, System.IFormatProvider formatProvider, out System.TimeSpan result) { throw null; }
@@ -3112,7 +3112,7 @@ public partial struct UInt16 : System.IComparable, System.IComparable<ushort>, S
         public override int GetHashCode() { throw null; }
         public System.TypeCode GetTypeCode() { throw null; }
         [System.CLSCompliantAttribute(false)]
-        public static System.UInt16 Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style=(System.Globalization.NumberStyles)(7), System.IFormatProvider provider=null) { throw null; }
+        public static System.UInt16 Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style = (System.Globalization.NumberStyles)(7), System.IFormatProvider provider = null) { throw null; }
         [System.CLSCompliantAttribute(false)]
         public static System.UInt16 Parse(string s) { throw null; }
         [System.CLSCompliantAttribute(false)]
@@ -3140,7 +3140,7 @@ public partial struct UInt16 : System.IComparable, System.IComparable<ushort>, S
         public string ToString(System.IFormatProvider provider) { throw null; }
         public string ToString(string format) { throw null; }
         public string ToString(string format, System.IFormatProvider provider) { throw null; }
-        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format=default(System.ReadOnlySpan<char>), System.IFormatProvider provider=null) { throw null; }
+        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format = default(System.ReadOnlySpan<char>), System.IFormatProvider provider = null) { throw null; }
         [System.CLSCompliantAttribute(false)]
         public static bool TryParse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style, System.IFormatProvider provider, out System.UInt16 result) { throw null; }
         [System.CLSCompliantAttribute(false)]
@@ -3163,7 +3163,7 @@ public partial struct UInt32 : System.IComparable, System.IComparable<uint>, Sys
         public override int GetHashCode() { throw null; }
         public System.TypeCode GetTypeCode() { throw null; }
         [System.CLSCompliantAttribute(false)]
-        public static System.UInt32 Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style=(System.Globalization.NumberStyles)(7), System.IFormatProvider provider=null) { throw null; }
+        public static System.UInt32 Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style = (System.Globalization.NumberStyles)(7), System.IFormatProvider provider = null) { throw null; }
         [System.CLSCompliantAttribute(false)]
         public static System.UInt32 Parse(string s) { throw null; }
         [System.CLSCompliantAttribute(false)]
@@ -3191,7 +3191,7 @@ public partial struct UInt32 : System.IComparable, System.IComparable<uint>, Sys
         public string ToString(System.IFormatProvider provider) { throw null; }
         public string ToString(string format) { throw null; }
         public string ToString(string format, System.IFormatProvider provider) { throw null; }
-        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format=default(System.ReadOnlySpan<char>), System.IFormatProvider provider=null) { throw null; }
+        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format = default(System.ReadOnlySpan<char>), System.IFormatProvider provider = null) { throw null; }
         [System.CLSCompliantAttribute(false)]
         public static bool TryParse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style, System.IFormatProvider provider, out System.UInt32 result) { throw null; }
         [System.CLSCompliantAttribute(false)]
@@ -3214,7 +3214,7 @@ public partial struct UInt64 : System.IComparable, System.IComparable<ulong>, Sy
         public override int GetHashCode() { throw null; }
         public System.TypeCode GetTypeCode() { throw null; }
         [System.CLSCompliantAttribute(false)]
-        public static System.UInt64 Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style=(System.Globalization.NumberStyles)(7), System.IFormatProvider provider=null) { throw null; }
+        public static System.UInt64 Parse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style = (System.Globalization.NumberStyles)(7), System.IFormatProvider provider = null) { throw null; }
         [System.CLSCompliantAttribute(false)]
         public static System.UInt64 Parse(string s) { throw null; }
         [System.CLSCompliantAttribute(false)]
@@ -3242,7 +3242,7 @@ public partial struct UInt64 : System.IComparable, System.IComparable<ulong>, Sy
         public string ToString(System.IFormatProvider provider) { throw null; }
         public string ToString(string format) { throw null; }
         public string ToString(string format, System.IFormatProvider provider) { throw null; }
-        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format=default(System.ReadOnlySpan<char>), System.IFormatProvider provider=null) { throw null; }
+        public bool TryFormat(System.Span<char> destination, out int charsWritten, System.ReadOnlySpan<char> format = default(System.ReadOnlySpan<char>), System.IFormatProvider provider = null) { throw null; }
         [System.CLSCompliantAttribute(false)]
         public static bool TryParse(System.ReadOnlySpan<char> s, System.Globalization.NumberStyles style, System.IFormatProvider provider, out System.UInt64 result) { throw null; }
         [System.CLSCompliantAttribute(false)]
@@ -3712,7 +3712,7 @@ public partial struct MemoryHandle : System.IDisposable
     {
         private object _dummy;
         [System.CLSCompliantAttribute(false)]
-        public unsafe MemoryHandle(System.Buffers.IRetainable owner, void* pointer=null, System.Runtime.InteropServices.GCHandle handle=default(System.Runtime.InteropServices.GCHandle)) { throw null; }
+        public unsafe MemoryHandle(System.Buffers.IRetainable owner, void* pointer = null, System.Runtime.InteropServices.GCHandle handle = default(System.Runtime.InteropServices.GCHandle)) { throw null; }
         public bool HasPointer { get { throw null; } }
         [System.CLSCompliantAttribute(false)]
         public unsafe void* Pointer { get { throw null; } }
@@ -3728,7 +3728,7 @@ protected OwnedMemory() { }
         public abstract System.Span<T> Span { get; }
         public void Dispose() { }
         protected abstract void Dispose(bool disposing);
-        public abstract MemoryHandle Pin(int byteOffset=0);
+        public abstract System.Buffers.MemoryHandle Pin(int byteOffset = 0);
         public abstract bool Release();
         public abstract void Retain();
         protected internal abstract bool TryGetArray(out System.ArraySegment<T> arraySegment);
@@ -5129,7 +5129,7 @@ protected virtual void ObjectInvariant() { }
         public virtual int Read(System.Span<byte> destination) { throw null; }
         public System.Threading.Tasks.Task<int> ReadAsync(byte[] buffer, int offset, int count) { throw null; }
         public virtual System.Threading.Tasks.Task<int> ReadAsync(byte[] buffer, int offset, int count, System.Threading.CancellationToken cancellationToken) { throw null; }
-        public virtual System.Threading.Tasks.ValueTask<int> ReadAsync(System.Memory<byte> destination, System.Threading.CancellationToken cancellationToken=default(System.Threading.CancellationToken)) { throw null; }
+        public virtual System.Threading.Tasks.ValueTask<int> ReadAsync(System.Memory<byte> destination, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
         public virtual int ReadByte() { throw null; }
         public abstract long Seek(long offset, System.IO.SeekOrigin origin);
         public abstract void SetLength(long value);
@@ -5138,7 +5138,7 @@ protected virtual void ObjectInvariant() { }
         public virtual void Write(System.ReadOnlySpan<byte> source) { }
         public System.Threading.Tasks.Task WriteAsync(byte[] buffer, int offset, int count) { throw null; }
         public virtual System.Threading.Tasks.Task WriteAsync(byte[] buffer, int offset, int count, System.Threading.CancellationToken cancellationToken) { throw null; }
-        public virtual System.Threading.Tasks.Task WriteAsync(System.ReadOnlyMemory<byte> source, System.Threading.CancellationToken cancellationToken=default(System.Threading.CancellationToken)) { throw null; }
+        public virtual System.Threading.Tasks.Task WriteAsync(System.ReadOnlyMemory<byte> source, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
         public virtual void WriteByte(byte value) { }
     }
 }
@@ -7495,13 +7495,13 @@ public StringBuilder(string value, int startIndex, int length, int capacity) { }
         public System.Text.StringBuilder Append(long value) { throw null; }
         public System.Text.StringBuilder Append(object value) { throw null; }
         public System.Text.StringBuilder Append(System.ReadOnlySpan<char> value) { throw null; }
-        public System.Text.StringBuilder Append(System.Text.StringBuilder value) { throw null; }
-        public System.Text.StringBuilder Append(System.Text.StringBuilder value, int startIndex, int count) { throw null; }
         [System.CLSCompliantAttribute(false)]
         public System.Text.StringBuilder Append(sbyte value) { throw null; }
         public System.Text.StringBuilder Append(float value) { throw null; }
         public System.Text.StringBuilder Append(string value) { throw null; }
         public System.Text.StringBuilder Append(string value, int startIndex, int count) { throw null; }
+        public System.Text.StringBuilder Append(System.Text.StringBuilder value) { throw null; }
+        public System.Text.StringBuilder Append(System.Text.StringBuilder value, int startIndex, int count) { throw null; }
         [System.CLSCompliantAttribute(false)]
         public System.Text.StringBuilder Append(ushort value) { throw null; }
         [System.CLSCompliantAttribute(false)]
@@ -7528,8 +7528,8 @@ public StringBuilder(string value, int startIndex, int length, int capacity) { }
         public void CopyTo(int sourceIndex, char[] destination, int destinationIndex, int count) { }
         public void CopyTo(int sourceIndex, System.Span<char> destination, int count) { }
         public int EnsureCapacity(int capacity) { throw null; }
-        public bool Equals(System.Text.StringBuilder sb) { throw null; }
         public bool Equals(System.ReadOnlySpan<char> value) { throw null; }
+        public bool Equals(System.Text.StringBuilder sb) { throw null; }
         public System.Text.StringBuilder Insert(int index, bool value) { throw null; }
         public System.Text.StringBuilder Insert(int index, byte value) { throw null; }
         public System.Text.StringBuilder Insert(int index, char value) { throw null; }