Apply changes from https://github.com/mono/mono/pull/13022 to API snapshot

13 files changed, 144 insertions, 24 deletions

diff --git a/profiles/monodroid/System.Core.cs b/profiles/monodroid/System.Core.cs
index 916ed38..5b756b2 100644
--- a/profiles/monodroid/System.Core.cs
+++ b/profiles/monodroid/System.Core.cs
@@ -3001,6 +3001,7 @@ namespace System.Security.Cryptography.X509Certificates
     }
     public static partial class RSACertificateExtensions
     {
+        public static System.Security.Cryptography.X509Certificates.X509Certificate2 CopyWithPrivateKey(this System.Security.Cryptography.X509Certificates.X509Certificate2 certificate, System.Security.Cryptography.RSA privateKey) { throw null; }
         public static System.Security.Cryptography.RSA GetRSAPrivateKey(this System.Security.Cryptography.X509Certificates.X509Certificate2 certificate) { throw null; }
         public static System.Security.Cryptography.RSA GetRSAPublicKey(this System.Security.Cryptography.X509Certificates.X509Certificate2 certificate) { throw null; }
     }
diff --git a/profiles/monodroid/System.Data.cs b/profiles/monodroid/System.Data.cs
index 0df643f..c209da0 100644
--- a/profiles/monodroid/System.Data.cs
+++ b/profiles/monodroid/System.Data.cs
@@ -808,6 +808,7 @@ namespace System.Data
         object System.ComponentModel.ICustomTypeDescriptor.GetPropertyOwner(System.ComponentModel.PropertyDescriptor pd) { throw null; }
     }
     [System.ComponentModel.DefaultPropertyAttribute("DataSetName")]
+    [System.ComponentModel.ToolboxItemAttribute("Microsoft.VSDesigner.Data.VS.DataSetToolboxItem, Microsoft.VSDesigner, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
     [System.Xml.Serialization.XmlRootAttribute("DataSet")]
     [System.Xml.Serialization.XmlSchemaProviderAttribute("GetDataSetSchema")]
     [System.SerializableAttribute]
diff --git a/profiles/monodroid/System.cs b/profiles/monodroid/System.cs
index 3e44610..c68912e 100644
--- a/profiles/monodroid/System.cs
+++ b/profiles/monodroid/System.cs
@@ -8470,6 +8470,7 @@ namespace System.Net.Sockets
         public static System.Threading.Tasks.Task ConnectAsync(this System.Net.Sockets.Socket socket, string host, int port) { throw null; }
         public static System.Threading.Tasks.Task<int> ReceiveAsync(this System.Net.Sockets.Socket socket, System.ArraySegment<byte> buffer, System.Net.Sockets.SocketFlags socketFlags) { throw null; }
         public static System.Threading.Tasks.Task<int> ReceiveAsync(this System.Net.Sockets.Socket socket, System.Collections.Generic.IList<System.ArraySegment<byte>> buffers, System.Net.Sockets.SocketFlags socketFlags) { throw null; }
+        public static System.Threading.Tasks.ValueTask<int> ReceiveAsync(this System.Net.Sockets.Socket socket, System.Memory<byte> memory, System.Net.Sockets.SocketFlags socketFlags, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
         public static System.Threading.Tasks.Task<System.Net.Sockets.SocketReceiveFromResult> ReceiveFromAsync(this System.Net.Sockets.Socket socket, System.ArraySegment<byte> buffer, System.Net.Sockets.SocketFlags socketFlags, System.Net.EndPoint remoteEndPoint) { throw null; }
         public static System.Threading.Tasks.Task<System.Net.Sockets.SocketReceiveMessageFromResult> ReceiveMessageFromAsync(this System.Net.Sockets.Socket socket, System.ArraySegment<byte> buffer, System.Net.Sockets.SocketFlags socketFlags, System.Net.EndPoint remoteEndPoint) { throw null; }
         public static System.Threading.Tasks.Task<int> SendAsync(this System.Net.Sockets.Socket socket, System.ArraySegment<byte> buffer, System.Net.Sockets.SocketFlags socketFlags) { throw null; }
@@ -9240,6 +9241,23 @@ namespace System.Security.Cryptography
 }
 namespace System.Security.Cryptography.X509Certificates
 {
+    public sealed partial class CertificateRequest
+    {
+        public CertificateRequest(System.Security.Cryptography.X509Certificates.X500DistinguishedName subjectName, System.Security.Cryptography.ECDsa key, System.Security.Cryptography.HashAlgorithmName hashAlgorithm) { }
+        public CertificateRequest(System.Security.Cryptography.X509Certificates.X500DistinguishedName subjectName, System.Security.Cryptography.RSA key, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding) { }
+        public CertificateRequest(System.Security.Cryptography.X509Certificates.X500DistinguishedName subjectName, System.Security.Cryptography.X509Certificates.PublicKey publicKey, System.Security.Cryptography.HashAlgorithmName hashAlgorithm) { }
+        public CertificateRequest(string subjectName, System.Security.Cryptography.ECDsa key, System.Security.Cryptography.HashAlgorithmName hashAlgorithm) { }
+        public CertificateRequest(string subjectName, System.Security.Cryptography.RSA key, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding) { }
+        public System.Collections.ObjectModel.Collection<System.Security.Cryptography.X509Certificates.X509Extension> CertificateExtensions { get { throw null; } }
+        public System.Security.Cryptography.HashAlgorithmName HashAlgorithm { get { throw null; } }
+        public System.Security.Cryptography.X509Certificates.PublicKey PublicKey { get { throw null; } }
+        public System.Security.Cryptography.X509Certificates.X500DistinguishedName SubjectName { get { throw null; } }
+        public System.Security.Cryptography.X509Certificates.X509Certificate2 Create(System.Security.Cryptography.X509Certificates.X500DistinguishedName issuerName, System.Security.Cryptography.X509Certificates.X509SignatureGenerator generator, System.DateTimeOffset notBefore, System.DateTimeOffset notAfter, byte[] serialNumber) { throw null; }
+        public System.Security.Cryptography.X509Certificates.X509Certificate2 Create(System.Security.Cryptography.X509Certificates.X509Certificate2 issuerCertificate, System.DateTimeOffset notBefore, System.DateTimeOffset notAfter, byte[] serialNumber) { throw null; }
+        public System.Security.Cryptography.X509Certificates.X509Certificate2 CreateSelfSigned(System.DateTimeOffset notBefore, System.DateTimeOffset notAfter) { throw null; }
+        public byte[] CreateSigningRequest() { throw null; }
+        public byte[] CreateSigningRequest(System.Security.Cryptography.X509Certificates.X509SignatureGenerator signatureGenerator) { throw null; }
+    }
     [System.FlagsAttribute]
     public enum OpenFlags
     {
@@ -9647,6 +9665,16 @@ namespace System.Security.Cryptography.X509Certificates
         Offline = 2,
         Online = 1,
     }
+    public abstract partial class X509SignatureGenerator
+    {
+        protected X509SignatureGenerator() { }
+        public System.Security.Cryptography.X509Certificates.PublicKey PublicKey { get { throw null; } }
+        protected abstract System.Security.Cryptography.X509Certificates.PublicKey BuildPublicKey();
+        public static System.Security.Cryptography.X509Certificates.X509SignatureGenerator CreateForECDsa(System.Security.Cryptography.ECDsa key) { throw null; }
+        public static System.Security.Cryptography.X509Certificates.X509SignatureGenerator CreateForRSA(System.Security.Cryptography.RSA key, System.Security.Cryptography.RSASignaturePadding signaturePadding) { throw null; }
+        public abstract byte[] GetSignatureAlgorithmIdentifier(System.Security.Cryptography.HashAlgorithmName hashAlgorithm);
+        public abstract byte[] SignData(byte[] data, System.Security.Cryptography.HashAlgorithmName hashAlgorithm);
+    }
     public sealed partial class X509Store : System.IDisposable
     {
         public X509Store() { }
@@ -9656,9 +9684,12 @@ namespace System.Security.Cryptography.X509Certificates
         public X509Store(System.Security.Cryptography.X509Certificates.StoreLocation storeLocation) { }
         public X509Store(System.Security.Cryptography.X509Certificates.StoreName storeName) { }
         public X509Store(System.Security.Cryptography.X509Certificates.StoreName storeName, System.Security.Cryptography.X509Certificates.StoreLocation storeLocation) { }
+        public X509Store(System.Security.Cryptography.X509Certificates.StoreName storeName, System.Security.Cryptography.X509Certificates.StoreLocation storeLocation, System.Security.Cryptography.X509Certificates.OpenFlags openFlags) { }
         public X509Store(string storeName) { }
         public X509Store(string storeName, System.Security.Cryptography.X509Certificates.StoreLocation storeLocation) { }
+        public X509Store(string storeName, System.Security.Cryptography.X509Certificates.StoreLocation storeLocation, System.Security.Cryptography.X509Certificates.OpenFlags openFlags) { }
         public System.Security.Cryptography.X509Certificates.X509Certificate2Collection Certificates { get { throw null; } }
+        public bool IsOpen { get { throw null; } }
         public System.Security.Cryptography.X509Certificates.StoreLocation Location { get { throw null; } }
         public string Name { get { throw null; } }
         [System.MonoTODOAttribute("Mono's stores are fully managed. Always returns IntPtr.Zero.")]
diff --git a/profiles/monodroid/mscorlib.cs b/profiles/monodroid/mscorlib.cs
index b7470d4..4d207e7 100644
--- a/profiles/monodroid/mscorlib.cs
+++ b/profiles/monodroid/mscorlib.cs
@@ -2144,9 +2144,9 @@ namespace System
         Utc = 1,
     }
     [System.SerializableAttribute]
-    public partial struct DateTimeOffset : System.IComparable, System.IComparable<System.DateTimeOffset>, System.IEquatable<System.DateTimeOffset>, System.IFormattable, System.Runtime.Serialization.IDeserializationCallback, System.Runtime.Serialization.ISerializable
+    public readonly partial struct DateTimeOffset : System.IComparable, System.IComparable<System.DateTimeOffset>, System.IEquatable<System.DateTimeOffset>, System.IFormattable, System.Runtime.Serialization.IDeserializationCallback, System.Runtime.Serialization.ISerializable
     {
-        private int _dummyPrimitive;
+        private readonly int _dummyPrimitive;
         public static readonly System.DateTimeOffset MaxValue;
         public static readonly System.DateTimeOffset MinValue;
         public static readonly System.DateTimeOffset UnixEpoch;
@@ -2467,9 +2467,9 @@ namespace System
     }
     [System.SerializableAttribute]
     [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
-    public partial struct Double : System.IComparable, System.IComparable<double>, System.IConvertible, System.IEquatable<double>, System.IFormattable
+    public readonly partial struct Double : System.IComparable, System.IComparable<double>, System.IConvertible, System.IEquatable<double>, System.IFormattable
     {
-        private double _dummyPrimitive;
+        private readonly double _dummyPrimitive;
         public const double Epsilon = 4.94065645841247E-324;
         public const double MaxValue = 1.7976931348623157E+308;
         public const double MinValue = -1.7976931348623157E+308;
@@ -4205,9 +4205,9 @@ namespace System
     }
     [System.SerializableAttribute]
     [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
-    public partial struct Single : System.IComparable, System.IComparable<float>, System.IConvertible, System.IEquatable<float>, System.IFormattable
+    public readonly partial struct Single : System.IComparable, System.IComparable<float>, System.IConvertible, System.IEquatable<float>, System.IFormattable
     {
-        private float _dummyPrimitive;
+        private readonly float _dummyPrimitive;
         public const float Epsilon = 1.401298E-45f;
         public const float MaxValue = 3.40282347E+38f;
         public const float MinValue = -3.40282347E+38f;
@@ -4573,9 +4573,9 @@ namespace System
     }
     [System.SerializableAttribute]
     [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
-    public partial struct TimeSpan : System.IComparable, System.IComparable<System.TimeSpan>, System.IEquatable<System.TimeSpan>, System.IFormattable
+    public readonly partial struct TimeSpan : System.IComparable, System.IComparable<System.TimeSpan>, System.IEquatable<System.TimeSpan>, System.IFormattable
     {
-        private int _dummyPrimitive;
+        private readonly int _dummyPrimitive;
         public static readonly System.TimeSpan MaxValue;
         public static readonly System.TimeSpan MinValue;
         public const long TicksPerDay = (long)864000000000;
@@ -21765,6 +21765,7 @@ namespace System.Security.Cryptography
         public virtual bool TryDecrypt(System.ReadOnlySpan<byte> data, System.Span<byte> destination, System.Security.Cryptography.RSAEncryptionPadding padding, out int bytesWritten) { throw null; }
         public virtual bool TryEncrypt(System.ReadOnlySpan<byte> data, System.Span<byte> destination, System.Security.Cryptography.RSAEncryptionPadding padding, out int bytesWritten) { throw null; }
         protected virtual bool TryHashData(System.ReadOnlySpan<byte> data, System.Span<byte> destination, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, out int bytesWritten) { throw null; }
+        public virtual bool TrySignData(System.ReadOnlySpan<byte> data, System.Span<byte> destination, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding, out int bytesWritten) { throw null; }
         public virtual bool TrySignHash(System.ReadOnlySpan<byte> hash, System.Span<byte> destination, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding, out int bytesWritten) { throw null; }
         public bool VerifyData(byte[] data, byte[] signature, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding) { throw null; }
         public virtual bool VerifyData(byte[] data, int offset, int count, byte[] signature, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding) { throw null; }
@@ -24522,6 +24523,7 @@ namespace System.Threading
         private readonly object _dummy;
         public System.Threading.CancellationToken Token { get { throw null; } }
         public void Dispose() { }
+        public System.Threading.Tasks.ValueTask DisposeAsync() { throw null; }
         public override bool Equals(object obj) { throw null; }
         public bool Equals(System.Threading.CancellationTokenRegistration other) { throw null; }
         public override int GetHashCode() { throw null; }
@@ -25270,6 +25272,7 @@ namespace System.Threading
         public bool Change(uint dueTime, uint period) { throw null; }
         public void Dispose() { }
         public bool Dispose(System.Threading.WaitHandle notifyObject) { throw null; }
+        public System.Threading.Tasks.ValueTask DisposeAsync() { throw null; }
     }
     [System.Runtime.InteropServices.ComVisibleAttribute(true)]
     public delegate void TimerCallback(object state);
diff --git a/profiles/monotouch/System.Core.cs b/profiles/monotouch/System.Core.cs
index eadee20..c58c4cc 100644
--- a/profiles/monotouch/System.Core.cs
+++ b/profiles/monotouch/System.Core.cs
@@ -2974,6 +2974,7 @@ namespace System.Security.Cryptography.X509Certificates
     }
     public static partial class RSACertificateExtensions
     {
+        public static System.Security.Cryptography.X509Certificates.X509Certificate2 CopyWithPrivateKey(this System.Security.Cryptography.X509Certificates.X509Certificate2 certificate, System.Security.Cryptography.RSA privateKey) { throw null; }
         public static System.Security.Cryptography.RSA GetRSAPrivateKey(this System.Security.Cryptography.X509Certificates.X509Certificate2 certificate) { throw null; }
         public static System.Security.Cryptography.RSA GetRSAPublicKey(this System.Security.Cryptography.X509Certificates.X509Certificate2 certificate) { throw null; }
     }
diff --git a/profiles/monotouch/System.Data.cs b/profiles/monotouch/System.Data.cs
index 0df643f..c209da0 100644
--- a/profiles/monotouch/System.Data.cs
+++ b/profiles/monotouch/System.Data.cs
@@ -808,6 +808,7 @@ namespace System.Data
         object System.ComponentModel.ICustomTypeDescriptor.GetPropertyOwner(System.ComponentModel.PropertyDescriptor pd) { throw null; }
     }
     [System.ComponentModel.DefaultPropertyAttribute("DataSetName")]
+    [System.ComponentModel.ToolboxItemAttribute("Microsoft.VSDesigner.Data.VS.DataSetToolboxItem, Microsoft.VSDesigner, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
     [System.Xml.Serialization.XmlRootAttribute("DataSet")]
     [System.Xml.Serialization.XmlSchemaProviderAttribute("GetDataSetSchema")]
     [System.SerializableAttribute]
diff --git a/profiles/monotouch/System.cs b/profiles/monotouch/System.cs
index 7739942..b49d71b 100644
--- a/profiles/monotouch/System.cs
+++ b/profiles/monotouch/System.cs
@@ -8474,6 +8474,7 @@ namespace System.Net.Sockets
         public static System.Threading.Tasks.Task ConnectAsync(this System.Net.Sockets.Socket socket, string host, int port) { throw null; }
         public static System.Threading.Tasks.Task<int> ReceiveAsync(this System.Net.Sockets.Socket socket, System.ArraySegment<byte> buffer, System.Net.Sockets.SocketFlags socketFlags) { throw null; }
         public static System.Threading.Tasks.Task<int> ReceiveAsync(this System.Net.Sockets.Socket socket, System.Collections.Generic.IList<System.ArraySegment<byte>> buffers, System.Net.Sockets.SocketFlags socketFlags) { throw null; }
+        public static System.Threading.Tasks.ValueTask<int> ReceiveAsync(this System.Net.Sockets.Socket socket, System.Memory<byte> memory, System.Net.Sockets.SocketFlags socketFlags, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
         public static System.Threading.Tasks.Task<System.Net.Sockets.SocketReceiveFromResult> ReceiveFromAsync(this System.Net.Sockets.Socket socket, System.ArraySegment<byte> buffer, System.Net.Sockets.SocketFlags socketFlags, System.Net.EndPoint remoteEndPoint) { throw null; }
         public static System.Threading.Tasks.Task<System.Net.Sockets.SocketReceiveMessageFromResult> ReceiveMessageFromAsync(this System.Net.Sockets.Socket socket, System.ArraySegment<byte> buffer, System.Net.Sockets.SocketFlags socketFlags, System.Net.EndPoint remoteEndPoint) { throw null; }
         public static System.Threading.Tasks.Task<int> SendAsync(this System.Net.Sockets.Socket socket, System.ArraySegment<byte> buffer, System.Net.Sockets.SocketFlags socketFlags) { throw null; }
@@ -9244,6 +9245,23 @@ namespace System.Security.Cryptography
 }
 namespace System.Security.Cryptography.X509Certificates
 {
+    public sealed partial class CertificateRequest
+    {
+        public CertificateRequest(System.Security.Cryptography.X509Certificates.X500DistinguishedName subjectName, System.Security.Cryptography.ECDsa key, System.Security.Cryptography.HashAlgorithmName hashAlgorithm) { }
+        public CertificateRequest(System.Security.Cryptography.X509Certificates.X500DistinguishedName subjectName, System.Security.Cryptography.RSA key, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding) { }
+        public CertificateRequest(System.Security.Cryptography.X509Certificates.X500DistinguishedName subjectName, System.Security.Cryptography.X509Certificates.PublicKey publicKey, System.Security.Cryptography.HashAlgorithmName hashAlgorithm) { }
+        public CertificateRequest(string subjectName, System.Security.Cryptography.ECDsa key, System.Security.Cryptography.HashAlgorithmName hashAlgorithm) { }
+        public CertificateRequest(string subjectName, System.Security.Cryptography.RSA key, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding) { }
+        public System.Collections.ObjectModel.Collection<System.Security.Cryptography.X509Certificates.X509Extension> CertificateExtensions { get { throw null; } }
+        public System.Security.Cryptography.HashAlgorithmName HashAlgorithm { get { throw null; } }
+        public System.Security.Cryptography.X509Certificates.PublicKey PublicKey { get { throw null; } }
+        public System.Security.Cryptography.X509Certificates.X500DistinguishedName SubjectName { get { throw null; } }
+        public System.Security.Cryptography.X509Certificates.X509Certificate2 Create(System.Security.Cryptography.X509Certificates.X500DistinguishedName issuerName, System.Security.Cryptography.X509Certificates.X509SignatureGenerator generator, System.DateTimeOffset notBefore, System.DateTimeOffset notAfter, byte[] serialNumber) { throw null; }
+        public System.Security.Cryptography.X509Certificates.X509Certificate2 Create(System.Security.Cryptography.X509Certificates.X509Certificate2 issuerCertificate, System.DateTimeOffset notBefore, System.DateTimeOffset notAfter, byte[] serialNumber) { throw null; }
+        public System.Security.Cryptography.X509Certificates.X509Certificate2 CreateSelfSigned(System.DateTimeOffset notBefore, System.DateTimeOffset notAfter) { throw null; }
+        public byte[] CreateSigningRequest() { throw null; }
+        public byte[] CreateSigningRequest(System.Security.Cryptography.X509Certificates.X509SignatureGenerator signatureGenerator) { throw null; }
+    }
     [System.FlagsAttribute]
     public enum OpenFlags
     {
@@ -9651,6 +9669,16 @@ namespace System.Security.Cryptography.X509Certificates
         Offline = 2,
         Online = 1,
     }
+    public abstract partial class X509SignatureGenerator
+    {
+        protected X509SignatureGenerator() { }
+        public System.Security.Cryptography.X509Certificates.PublicKey PublicKey { get { throw null; } }
+        protected abstract System.Security.Cryptography.X509Certificates.PublicKey BuildPublicKey();
+        public static System.Security.Cryptography.X509Certificates.X509SignatureGenerator CreateForECDsa(System.Security.Cryptography.ECDsa key) { throw null; }
+        public static System.Security.Cryptography.X509Certificates.X509SignatureGenerator CreateForRSA(System.Security.Cryptography.RSA key, System.Security.Cryptography.RSASignaturePadding signaturePadding) { throw null; }
+        public abstract byte[] GetSignatureAlgorithmIdentifier(System.Security.Cryptography.HashAlgorithmName hashAlgorithm);
+        public abstract byte[] SignData(byte[] data, System.Security.Cryptography.HashAlgorithmName hashAlgorithm);
+    }
     public sealed partial class X509Store : System.IDisposable
     {
         public X509Store() { }
@@ -9660,9 +9688,12 @@ namespace System.Security.Cryptography.X509Certificates
         public X509Store(System.Security.Cryptography.X509Certificates.StoreLocation storeLocation) { }
         public X509Store(System.Security.Cryptography.X509Certificates.StoreName storeName) { }
         public X509Store(System.Security.Cryptography.X509Certificates.StoreName storeName, System.Security.Cryptography.X509Certificates.StoreLocation storeLocation) { }
+        public X509Store(System.Security.Cryptography.X509Certificates.StoreName storeName, System.Security.Cryptography.X509Certificates.StoreLocation storeLocation, System.Security.Cryptography.X509Certificates.OpenFlags openFlags) { }
         public X509Store(string storeName) { }
         public X509Store(string storeName, System.Security.Cryptography.X509Certificates.StoreLocation storeLocation) { }
+        public X509Store(string storeName, System.Security.Cryptography.X509Certificates.StoreLocation storeLocation, System.Security.Cryptography.X509Certificates.OpenFlags openFlags) { }
         public System.Security.Cryptography.X509Certificates.X509Certificate2Collection Certificates { get { throw null; } }
+        public bool IsOpen { get { throw null; } }
         public System.Security.Cryptography.X509Certificates.StoreLocation Location { get { throw null; } }
         public string Name { get { throw null; } }
         [System.MonoTODOAttribute("Mono's stores are fully managed. Always returns IntPtr.Zero.")]
diff --git a/profiles/monotouch/mscorlib.cs b/profiles/monotouch/mscorlib.cs
index 4dd347d..ff36a36 100644
--- a/profiles/monotouch/mscorlib.cs
+++ b/profiles/monotouch/mscorlib.cs
@@ -2124,9 +2124,9 @@ namespace System
         Utc = 1,
     }
     [System.SerializableAttribute]
-    public partial struct DateTimeOffset : System.IComparable, System.IComparable<System.DateTimeOffset>, System.IEquatable<System.DateTimeOffset>, System.IFormattable, System.Runtime.Serialization.IDeserializationCallback, System.Runtime.Serialization.ISerializable
+    public readonly partial struct DateTimeOffset : System.IComparable, System.IComparable<System.DateTimeOffset>, System.IEquatable<System.DateTimeOffset>, System.IFormattable, System.Runtime.Serialization.IDeserializationCallback, System.Runtime.Serialization.ISerializable
     {
-        private int _dummyPrimitive;
+        private readonly int _dummyPrimitive;
         public static readonly System.DateTimeOffset MaxValue;
         public static readonly System.DateTimeOffset MinValue;
         public static readonly System.DateTimeOffset UnixEpoch;
@@ -2447,9 +2447,9 @@ namespace System
     }
     [System.SerializableAttribute]
     [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
-    public partial struct Double : System.IComparable, System.IComparable<double>, System.IConvertible, System.IEquatable<double>, System.IFormattable
+    public readonly partial struct Double : System.IComparable, System.IComparable<double>, System.IConvertible, System.IEquatable<double>, System.IFormattable
     {
-        private double _dummyPrimitive;
+        private readonly double _dummyPrimitive;
         public const double Epsilon = 4.94065645841247E-324;
         public const double MaxValue = 1.7976931348623157E+308;
         public const double MinValue = -1.7976931348623157E+308;
@@ -4185,9 +4185,9 @@ namespace System
     }
     [System.SerializableAttribute]
     [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
-    public partial struct Single : System.IComparable, System.IComparable<float>, System.IConvertible, System.IEquatable<float>, System.IFormattable
+    public readonly partial struct Single : System.IComparable, System.IComparable<float>, System.IConvertible, System.IEquatable<float>, System.IFormattable
     {
-        private float _dummyPrimitive;
+        private readonly float _dummyPrimitive;
         public const float Epsilon = 1.401298E-45f;
         public const float MaxValue = 3.40282347E+38f;
         public const float MinValue = -3.40282347E+38f;
@@ -4553,9 +4553,9 @@ namespace System
     }
     [System.SerializableAttribute]
     [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
-    public partial struct TimeSpan : System.IComparable, System.IComparable<System.TimeSpan>, System.IEquatable<System.TimeSpan>, System.IFormattable
+    public readonly partial struct TimeSpan : System.IComparable, System.IComparable<System.TimeSpan>, System.IEquatable<System.TimeSpan>, System.IFormattable
     {
-        private int _dummyPrimitive;
+        private readonly int _dummyPrimitive;
         public static readonly System.TimeSpan MaxValue;
         public static readonly System.TimeSpan MinValue;
         public const long TicksPerDay = (long)864000000000;
@@ -20619,6 +20619,7 @@ namespace System.Security.Cryptography
         public virtual bool TryDecrypt(System.ReadOnlySpan<byte> data, System.Span<byte> destination, System.Security.Cryptography.RSAEncryptionPadding padding, out int bytesWritten) { throw null; }
         public virtual bool TryEncrypt(System.ReadOnlySpan<byte> data, System.Span<byte> destination, System.Security.Cryptography.RSAEncryptionPadding padding, out int bytesWritten) { throw null; }
         protected virtual bool TryHashData(System.ReadOnlySpan<byte> data, System.Span<byte> destination, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, out int bytesWritten) { throw null; }
+        public virtual bool TrySignData(System.ReadOnlySpan<byte> data, System.Span<byte> destination, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding, out int bytesWritten) { throw null; }
         public virtual bool TrySignHash(System.ReadOnlySpan<byte> hash, System.Span<byte> destination, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding, out int bytesWritten) { throw null; }
         public bool VerifyData(byte[] data, byte[] signature, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding) { throw null; }
         public virtual bool VerifyData(byte[] data, int offset, int count, byte[] signature, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding) { throw null; }
@@ -23366,6 +23367,7 @@ namespace System.Threading
         private readonly object _dummy;
         public System.Threading.CancellationToken Token { get { throw null; } }
         public void Dispose() { }
+        public System.Threading.Tasks.ValueTask DisposeAsync() { throw null; }
         public override bool Equals(object obj) { throw null; }
         public bool Equals(System.Threading.CancellationTokenRegistration other) { throw null; }
         public override int GetHashCode() { throw null; }
@@ -24114,6 +24116,7 @@ namespace System.Threading
         public bool Change(uint dueTime, uint period) { throw null; }
         public void Dispose() { }
         public bool Dispose(System.Threading.WaitHandle notifyObject) { throw null; }
+        public System.Threading.Tasks.ValueTask DisposeAsync() { throw null; }
     }
     [System.Runtime.InteropServices.ComVisibleAttribute(true)]
     public delegate void TimerCallback(object state);
diff --git a/profiles/net_4_x/Facades/netstandard.cs b/profiles/net_4_x/Facades/netstandard.cs
index 39cbdff..0c90762 100644
--- a/profiles/net_4_x/Facades/netstandard.cs
+++ b/profiles/net_4_x/Facades/netstandard.cs
@@ -1379,16 +1379,21 @@
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.AssemblyBuilderAccess))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.ConstructorBuilder))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.CustomAttributeBuilder))]
+[assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.DynamicILInfo))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.DynamicMethod))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.EnumBuilder))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.EventBuilder))]
+[assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.EventToken))]
+[assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.ExceptionHandler))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.FieldBuilder))]
+[assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.FieldToken))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.FlowControl))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.GenericTypeParameterBuilder))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.ILGenerator))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.Label))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.LocalBuilder))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.MethodBuilder))]
+[assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.MethodToken))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.ModuleBuilder))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.OpCode))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.OpCodes))]
@@ -1396,10 +1401,15 @@
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.OperandType))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.PackingSize))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.ParameterBuilder))]
+[assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.ParameterToken))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.PropertyBuilder))]
+[assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.PropertyToken))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.SignatureHelper))]
+[assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.SignatureToken))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.StackBehaviour))]
+[assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.StringToken))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.TypeBuilder))]
+[assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.Emit.TypeToken))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.EventAttributes))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.EventInfo))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Reflection.ExceptionHandlingClause))]
@@ -1909,6 +1919,7 @@
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Security.Cryptography.ToBase64Transform))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Security.Cryptography.TripleDES))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Security.Cryptography.TripleDESCryptoServiceProvider))]
+[assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Security.Cryptography.X509Certificates.CertificateRequest))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Security.Cryptography.X509Certificates.DSACertificateExtensions))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Security.Cryptography.X509Certificates.ECDsaCertificateExtensions))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Security.Cryptography.X509Certificates.OpenFlags))]
@@ -1945,6 +1956,7 @@
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Security.Cryptography.X509Certificates.X509NameType))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Security.Cryptography.X509Certificates.X509RevocationFlag))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Security.Cryptography.X509Certificates.X509RevocationMode))]
+[assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Security.Cryptography.X509Certificates.X509SignatureGenerator))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Security.Cryptography.X509Certificates.X509Store))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierExtension))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedToAttribute(typeof(System.Security.Cryptography.X509Certificates.X509SubjectKeyIdentifierHashAlgorithm))]
diff --git a/profiles/net_4_x/System.Core.cs b/profiles/net_4_x/System.Core.cs
index 13fa65c..083d380 100644
--- a/profiles/net_4_x/System.Core.cs
+++ b/profiles/net_4_x/System.Core.cs
@@ -3118,6 +3118,7 @@ namespace System.Security.Cryptography.X509Certificates
     }
     public static partial class RSACertificateExtensions
     {
+        public static System.Security.Cryptography.X509Certificates.X509Certificate2 CopyWithPrivateKey(this System.Security.Cryptography.X509Certificates.X509Certificate2 certificate, System.Security.Cryptography.RSA privateKey) { throw null; }
         public static System.Security.Cryptography.RSA GetRSAPrivateKey(this System.Security.Cryptography.X509Certificates.X509Certificate2 certificate) { throw null; }
         public static System.Security.Cryptography.RSA GetRSAPublicKey(this System.Security.Cryptography.X509Certificates.X509Certificate2 certificate) { throw null; }
     }
diff --git a/profiles/net_4_x/System.Data.cs b/profiles/net_4_x/System.Data.cs
index 66b1c25..2a636e5 100644
--- a/profiles/net_4_x/System.Data.cs
+++ b/profiles/net_4_x/System.Data.cs
@@ -828,6 +828,7 @@ namespace System.Data
         object System.ComponentModel.ICustomTypeDescriptor.GetPropertyOwner(System.ComponentModel.PropertyDescriptor pd) { throw null; }
     }
     [System.ComponentModel.DefaultPropertyAttribute("DataSetName")]
+    [System.ComponentModel.ToolboxItemAttribute("Microsoft.VSDesigner.Data.VS.DataSetToolboxItem, Microsoft.VSDesigner, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
     [System.Xml.Serialization.XmlRootAttribute("DataSet")]
     [System.Xml.Serialization.XmlSchemaProviderAttribute("GetDataSetSchema")]
     [System.SerializableAttribute]
diff --git a/profiles/net_4_x/System.cs b/profiles/net_4_x/System.cs
index 3412eb1..e5bf51a 100644
--- a/profiles/net_4_x/System.cs
+++ b/profiles/net_4_x/System.cs
@@ -11608,6 +11608,7 @@ namespace System.Net.Sockets
         public static System.Threading.Tasks.Task ConnectAsync(this System.Net.Sockets.Socket socket, string host, int port) { throw null; }
         public static System.Threading.Tasks.Task<int> ReceiveAsync(this System.Net.Sockets.Socket socket, System.ArraySegment<byte> buffer, System.Net.Sockets.SocketFlags socketFlags) { throw null; }
         public static System.Threading.Tasks.Task<int> ReceiveAsync(this System.Net.Sockets.Socket socket, System.Collections.Generic.IList<System.ArraySegment<byte>> buffers, System.Net.Sockets.SocketFlags socketFlags) { throw null; }
+        public static System.Threading.Tasks.ValueTask<int> ReceiveAsync(this System.Net.Sockets.Socket socket, System.Memory<byte> memory, System.Net.Sockets.SocketFlags socketFlags, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
         public static System.Threading.Tasks.Task<System.Net.Sockets.SocketReceiveFromResult> ReceiveFromAsync(this System.Net.Sockets.Socket socket, System.ArraySegment<byte> buffer, System.Net.Sockets.SocketFlags socketFlags, System.Net.EndPoint remoteEndPoint) { throw null; }
         public static System.Threading.Tasks.Task<System.Net.Sockets.SocketReceiveMessageFromResult> ReceiveMessageFromAsync(this System.Net.Sockets.Socket socket, System.ArraySegment<byte> buffer, System.Net.Sockets.SocketFlags socketFlags, System.Net.EndPoint remoteEndPoint) { throw null; }
         public static System.Threading.Tasks.Task<int> SendAsync(this System.Net.Sockets.Socket socket, System.ArraySegment<byte> buffer, System.Net.Sockets.SocketFlags socketFlags) { throw null; }
@@ -12422,6 +12423,23 @@ namespace System.Security.Cryptography
 }
 namespace System.Security.Cryptography.X509Certificates
 {
+    public sealed partial class CertificateRequest
+    {
+        public CertificateRequest(System.Security.Cryptography.X509Certificates.X500DistinguishedName subjectName, System.Security.Cryptography.ECDsa key, System.Security.Cryptography.HashAlgorithmName hashAlgorithm) { }
+        public CertificateRequest(System.Security.Cryptography.X509Certificates.X500DistinguishedName subjectName, System.Security.Cryptography.RSA key, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding) { }
+        public CertificateRequest(System.Security.Cryptography.X509Certificates.X500DistinguishedName subjectName, System.Security.Cryptography.X509Certificates.PublicKey publicKey, System.Security.Cryptography.HashAlgorithmName hashAlgorithm) { }
+        public CertificateRequest(string subjectName, System.Security.Cryptography.ECDsa key, System.Security.Cryptography.HashAlgorithmName hashAlgorithm) { }
+        public CertificateRequest(string subjectName, System.Security.Cryptography.RSA key, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding) { }
+        public System.Collections.ObjectModel.Collection<System.Security.Cryptography.X509Certificates.X509Extension> CertificateExtensions { get { throw null; } }
+        public System.Security.Cryptography.HashAlgorithmName HashAlgorithm { get { throw null; } }
+        public System.Security.Cryptography.X509Certificates.PublicKey PublicKey { get { throw null; } }
+        public System.Security.Cryptography.X509Certificates.X500DistinguishedName SubjectName { get { throw null; } }
+        public System.Security.Cryptography.X509Certificates.X509Certificate2 Create(System.Security.Cryptography.X509Certificates.X500DistinguishedName issuerName, System.Security.Cryptography.X509Certificates.X509SignatureGenerator generator, System.DateTimeOffset notBefore, System.DateTimeOffset notAfter, byte[] serialNumber) { throw null; }
+        public System.Security.Cryptography.X509Certificates.X509Certificate2 Create(System.Security.Cryptography.X509Certificates.X509Certificate2 issuerCertificate, System.DateTimeOffset notBefore, System.DateTimeOffset notAfter, byte[] serialNumber) { throw null; }
+        public System.Security.Cryptography.X509Certificates.X509Certificate2 CreateSelfSigned(System.DateTimeOffset notBefore, System.DateTimeOffset notAfter) { throw null; }
+        public byte[] CreateSigningRequest() { throw null; }
+        public byte[] CreateSigningRequest(System.Security.Cryptography.X509Certificates.X509SignatureGenerator signatureGenerator) { throw null; }
+    }
     [System.FlagsAttribute]
     public enum OpenFlags
     {
@@ -12829,6 +12847,16 @@ namespace System.Security.Cryptography.X509Certificates
         Offline = 2,
         Online = 1,
     }
+    public abstract partial class X509SignatureGenerator
+    {
+        protected X509SignatureGenerator() { }
+        public System.Security.Cryptography.X509Certificates.PublicKey PublicKey { get { throw null; } }
+        protected abstract System.Security.Cryptography.X509Certificates.PublicKey BuildPublicKey();
+        public static System.Security.Cryptography.X509Certificates.X509SignatureGenerator CreateForECDsa(System.Security.Cryptography.ECDsa key) { throw null; }
+        public static System.Security.Cryptography.X509Certificates.X509SignatureGenerator CreateForRSA(System.Security.Cryptography.RSA key, System.Security.Cryptography.RSASignaturePadding signaturePadding) { throw null; }
+        public abstract byte[] GetSignatureAlgorithmIdentifier(System.Security.Cryptography.HashAlgorithmName hashAlgorithm);
+        public abstract byte[] SignData(byte[] data, System.Security.Cryptography.HashAlgorithmName hashAlgorithm);
+    }
     public sealed partial class X509Store : System.IDisposable
     {
         public X509Store() { }
@@ -12838,9 +12866,12 @@ namespace System.Security.Cryptography.X509Certificates
         public X509Store(System.Security.Cryptography.X509Certificates.StoreLocation storeLocation) { }
         public X509Store(System.Security.Cryptography.X509Certificates.StoreName storeName) { }
         public X509Store(System.Security.Cryptography.X509Certificates.StoreName storeName, System.Security.Cryptography.X509Certificates.StoreLocation storeLocation) { }
+        public X509Store(System.Security.Cryptography.X509Certificates.StoreName storeName, System.Security.Cryptography.X509Certificates.StoreLocation storeLocation, System.Security.Cryptography.X509Certificates.OpenFlags openFlags) { }
         public X509Store(string storeName) { }
         public X509Store(string storeName, System.Security.Cryptography.X509Certificates.StoreLocation storeLocation) { }
+        public X509Store(string storeName, System.Security.Cryptography.X509Certificates.StoreLocation storeLocation, System.Security.Cryptography.X509Certificates.OpenFlags openFlags) { }
         public System.Security.Cryptography.X509Certificates.X509Certificate2Collection Certificates { get { throw null; } }
+        public bool IsOpen { get { throw null; } }
         public System.Security.Cryptography.X509Certificates.StoreLocation Location { get { throw null; } }
         public string Name { get { throw null; } }
         [System.MonoTODOAttribute("Mono's stores are fully managed. Always returns IntPtr.Zero.")]
diff --git a/profiles/net_4_x/mscorlib.cs b/profiles/net_4_x/mscorlib.cs
index d99f1f2..57ec718 100644
--- a/profiles/net_4_x/mscorlib.cs
+++ b/profiles/net_4_x/mscorlib.cs
@@ -2189,9 +2189,9 @@ namespace System
         Utc = 1,
     }
     [System.SerializableAttribute]
-    public partial struct DateTimeOffset : System.IComparable, System.IComparable<System.DateTimeOffset>, System.IEquatable<System.DateTimeOffset>, System.IFormattable, System.Runtime.Serialization.IDeserializationCallback, System.Runtime.Serialization.ISerializable
+    public readonly partial struct DateTimeOffset : System.IComparable, System.IComparable<System.DateTimeOffset>, System.IEquatable<System.DateTimeOffset>, System.IFormattable, System.Runtime.Serialization.IDeserializationCallback, System.Runtime.Serialization.ISerializable
     {
-        private int _dummyPrimitive;
+        private readonly int _dummyPrimitive;
         public static readonly System.DateTimeOffset MaxValue;
         public static readonly System.DateTimeOffset MinValue;
         public static readonly System.DateTimeOffset UnixEpoch;
@@ -2512,9 +2512,9 @@ namespace System
     }
     [System.SerializableAttribute]
     [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
-    public partial struct Double : System.IComparable, System.IComparable<double>, System.IConvertible, System.IEquatable<double>, System.IFormattable
+    public readonly partial struct Double : System.IComparable, System.IComparable<double>, System.IConvertible, System.IEquatable<double>, System.IFormattable
     {
-        private double _dummyPrimitive;
+        private readonly double _dummyPrimitive;
         public const double Epsilon = 4.94065645841247E-324;
         public const double MaxValue = 1.7976931348623157E+308;
         public const double MinValue = -1.7976931348623157E+308;
@@ -4251,9 +4251,9 @@ namespace System
     }
     [System.SerializableAttribute]
     [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
-    public partial struct Single : System.IComparable, System.IComparable<float>, System.IConvertible, System.IEquatable<float>, System.IFormattable
+    public readonly partial struct Single : System.IComparable, System.IComparable<float>, System.IConvertible, System.IEquatable<float>, System.IFormattable
     {
-        private float _dummyPrimitive;
+        private readonly float _dummyPrimitive;
         public const float Epsilon = 1.401298E-45f;
         public const float MaxValue = 3.40282347E+38f;
         public const float MinValue = -3.40282347E+38f;
@@ -4619,9 +4619,9 @@ namespace System
     }
     [System.SerializableAttribute]
     [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
-    public partial struct TimeSpan : System.IComparable, System.IComparable<System.TimeSpan>, System.IEquatable<System.TimeSpan>, System.IFormattable
+    public readonly partial struct TimeSpan : System.IComparable, System.IComparable<System.TimeSpan>, System.IEquatable<System.TimeSpan>, System.IFormattable
     {
-        private int _dummyPrimitive;
+        private readonly int _dummyPrimitive;
         public static readonly System.TimeSpan MaxValue;
         public static readonly System.TimeSpan MinValue;
         public const long TicksPerDay = (long)864000000000;
@@ -21914,6 +21914,7 @@ namespace System.Security.Cryptography
         public virtual bool TryDecrypt(System.ReadOnlySpan<byte> data, System.Span<byte> destination, System.Security.Cryptography.RSAEncryptionPadding padding, out int bytesWritten) { throw null; }
         public virtual bool TryEncrypt(System.ReadOnlySpan<byte> data, System.Span<byte> destination, System.Security.Cryptography.RSAEncryptionPadding padding, out int bytesWritten) { throw null; }
         protected virtual bool TryHashData(System.ReadOnlySpan<byte> data, System.Span<byte> destination, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, out int bytesWritten) { throw null; }
+        public virtual bool TrySignData(System.ReadOnlySpan<byte> data, System.Span<byte> destination, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding, out int bytesWritten) { throw null; }
         public virtual bool TrySignHash(System.ReadOnlySpan<byte> hash, System.Span<byte> destination, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding, out int bytesWritten) { throw null; }
         public bool VerifyData(byte[] data, byte[] signature, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding) { throw null; }
         public virtual bool VerifyData(byte[] data, int offset, int count, byte[] signature, System.Security.Cryptography.HashAlgorithmName hashAlgorithm, System.Security.Cryptography.RSASignaturePadding padding) { throw null; }
@@ -24666,6 +24667,7 @@ namespace System.Threading
         private readonly object _dummy;
         public System.Threading.CancellationToken Token { get { throw null; } }
         public void Dispose() { }
+        public System.Threading.Tasks.ValueTask DisposeAsync() { throw null; }
         public override bool Equals(object obj) { throw null; }
         public bool Equals(System.Threading.CancellationTokenRegistration other) { throw null; }
         public override int GetHashCode() { throw null; }
@@ -25427,6 +25429,7 @@ namespace System.Threading
         public bool Change(uint dueTime, uint period) { throw null; }
         public void Dispose() { }
         public bool Dispose(System.Threading.WaitHandle notifyObject) { throw null; }
+        public System.Threading.Tasks.ValueTask DisposeAsync() { throw null; }
     }
     [System.Runtime.InteropServices.ComVisibleAttribute(true)]
     public delegate void TimerCallback(object state);