Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.ServiceModel/System/ServiceModel/NetHttpMessageEncoding.cs

@@ -0,0 +1,24 @@
+// <copyright>
+//   Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+
+namespace System.ServiceModel
+{
+    public enum NetHttpMessageEncoding
+    {
+        /// <summary>
+        /// Indicates using Binary message encoder.
+        /// </summary>
+        Binary,
+
+        /// <summary>
+        /// Indicates using Text message encoder.
+        /// </summary>
+        Text,
+
+        /// <summary>
+        /// Indicates using Mtom message encoder.
+        /// </summary>
+        Mtom
+    }
+}