# System.Runtime.CompilerServices

``` diff
 namespace System.Runtime.CompilerServices {
+    [AttributeUsageAttribute(AttributeTargets.Method, AllowMultiple=false, Inherited=false)]
+    public sealed class UnsafeAccessorAttribute : Attribute {
+        public UnsafeAccessorAttribute(UnsafeAccessorKind kind);
+        public UnsafeAccessorKind Kind { get; }
+        public string Name { get; set; }
+    }
+    public enum UnsafeAccessorKind {
+        Constructor = 0,
+        Field = 3,
+        Method = 1,
+        StaticField = 4,
+        StaticMethod = 2,
+    }
 }
```

