1 files changed, 34 insertions, 0 deletions
diff --git a/src/csharp/Grpc.Core/Internal/IPooledObject.cs b/src/csharp/Grpc.Core/Internal/IPooledObject.cs
new file mode 100644
index 0000000000..e20bd51dce
--- /dev/null
+++ b/src/csharp/Grpc.Core/Internal/IPooledObject.cs
@@ -0,0 +1,34 @@
+#region Copyright notice and license
+
+// Copyright 2018 gRPC authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#endregion
+
+using System;
+
+namespace Grpc.Core.Internal
+{
+    /// <summary>
+    /// An object that can be pooled in <c>IObjectPool</c>.
+    /// </summary>
+    /// <typeparam name="T"></typeparam>
+    internal interface IPooledObject<T> : IDisposable
+    {
+        /// <summary>
+        /// Set the action that will be invoked to return a leased object to the pool.
+        /// </summary>
+        void SetReturnToPoolAction(Action<T> returnAction);
+    }
+}