Imported Upstream version 5.20.0.180

Former-commit-id: ff953ca879339fe1e1211f7220f563e1342e66cb

mcs/class/System.Core/corefx/Interop.cs

@@ -0,0 +1,18 @@
+using System;
+
+internal static partial class Interop
+{
+	internal static partial class Sys
+	{
+		internal static uint GetEUid ()
+		{
+			throw new PlatformNotSupportedException ();
+		}
+
+		internal static int SetEUid (uint euid)
+		{
+			throw new PlatformNotSupportedException ();
+		}
+
+	}
+}