1 files changed, 2 insertions, 0 deletions
diff --git a/src/System.Memory/ref/System.Memory.cs b/src/System.Memory/ref/System.Memory.cs
index b532f049df..9775637231 100644
--- a/src/System.Memory/ref/System.Memory.cs
+++ b/src/System.Memory/ref/System.Memory.cs
@@ -107,6 +107,7 @@ namespace System
         public static implicit operator System.Memory<T> (System.ArraySegment<T> segment) { 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 Pin() { 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; }
@@ -131,6 +132,7 @@ namespace System
         public override int GetHashCode() { throw null; }
         public static implicit operator System.ReadOnlyMemory<T> (System.ArraySegment<T> segment) { throw null; }
         public static implicit operator System.ReadOnlyMemory<T> (T[] array) { throw null; }
+        public System.Buffers.MemoryHandle Pin() { 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; }