--- /dev/null
+//
+// ContentDispositionHeaderValue.cs
+//
+// Authors:
+// Marek Safar <marek.safar@gmail.com>
+//
+// Copyright (C) 2012 Xamarin Inc (http://www.xamarin.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System.Collections.Generic;
+using System.Text;
+using System.Globalization;
+
+namespace System.Net.Http.Headers
+{
+ public class ContentDispositionHeaderValue : ICloneable
+ {
+ private ContentDispositionHeaderValue ()
+ {
+ }
+
+ public string DispositionType { get; set; }
+ public string FileName { get; set; }
+ public string Name { get; set; }
+
+ object ICloneable.Clone ()
+ {
+ return MemberwiseClone ();
+ }
+ }
+}
--- /dev/null
+//
+// DelegatingHandler.cs
+//
+// Authors:
+// Marek Safar <marek.safar@gmail.com>
+//
+// Copyright (C) 2011 Xamarin Inc (http://www.xamarin.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace System.Net.Http
+{
+ public abstract class DelegatingHandler : HttpMessageHandler
+ {
+ bool disposed;
+
+ protected DelegatingHandler ()
+ {
+ }
+
+ protected DelegatingHandler(HttpMessageHandler innerHandler)
+ {
+ if (innerHandler == null)
+ throw new ArgumentNullException ("innerHandler");
+
+ InnerHandler = innerHandler;
+ }
+
+ public HttpMessageHandler InnerHandler { get; set; }
+
+ protected override void Dispose (bool disposing)
+ {
+ if (disposing && !disposed) {
+ disposed = true;
+ InnerHandler.Dispose ();
+ }
+
+ base.Dispose (disposing);
+ }
+
+ protected internal override Task<HttpResponseMessage> SendAsync (HttpRequestMessage request, CancellationToken cancellationToken)
+ {
+ throw new NotImplementedException ();
+ }
+ }
+}