imported signalr 1.1.3 into NzbDrone.

src/Microsoft.AspNet.SignalR.Core/Hubs/Lookup/IHubDescriptorProvider.cs

@@ -0,0 +1,28 @@
+// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.md in the project root for license information.
+
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+
+namespace Microsoft.AspNet.SignalR.Hubs
+{
+    /// <summary>
+    /// Describes hub descriptor provider, which provides information about available hubs.
+    /// </summary>
+    public interface IHubDescriptorProvider
+    {
+        /// <summary>
+        /// Retrieve all avaiable hubs.
+        /// </summary>
+        /// <returns>Collection of hub descriptors.</returns>
+        [SuppressMessage("Microsoft.Design", "CA1024:UsePropertiesWhereAppropriate", Justification = "This call might be expensive")]
+        IList<HubDescriptor> GetHubs();
+
+        /// <summary>
+        /// Tries to retrieve hub with a given name.
+        /// </summary>
+        /// <param name="hubName">Name of the hub.</param>
+        /// <param name="descriptor">Retrieved descriptor object.</param>
+        /// <returns>True, if hub has been found</returns>
+        bool TryGetHub(string hubName, out HubDescriptor descriptor);
+    }
+}