Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.ServiceModel/System/ServiceModel/PeerHopCountAttribute.cs

@@ -0,0 +1,56 @@
+//------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------
+
+namespace System.ServiceModel
+{
+
+    using System;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.Net.Security;
+
+    using System.ServiceModel.Channels;
+
+    [AttributeUsage(AttributeTargets.Field | AttributeTargets.Property, AllowMultiple = false, Inherited = false)]
+    public sealed class PeerHopCountAttribute : MessageHeaderAttribute
+    {
+        public PeerHopCountAttribute()
+            : base()
+        {
+            base.Name = PeerStrings.HopCountElementName;
+            base.Namespace = PeerStrings.HopCountElementNamespace;
+            base.ProtectionLevel = ProtectionLevel.None;
+            base.MustUnderstand = false;
+        }
+        public new bool MustUnderstand
+        {
+            get { return base.MustUnderstand; }
+        }
+
+        public new bool Relay
+        {
+            get { return base.Relay; }
+        }
+
+        public new string Actor
+        {
+            get { return base.Actor; }
+        }
+
+        public new string Namespace
+        {
+            get { return base.Namespace; }
+        }
+
+        public new string Name
+        {
+            get { return base.Name; }
+        }
+
+        public new ProtectionLevel ProtectionLevel
+        {
+            get { return base.ProtectionLevel; }
+        }
+    }
+}