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+// Copyright 2011 The Closure Library Authors. All Rights Reserved.
+//
+// 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.
+
+/**
+ * @fileoverview Definition of the disposable interface.  A disposable object
+ * has a dispose method to to clean up references and resources.
+ * @author nnaze@google.com (Nathan Naze)
+ */
+
+
+goog.provide('goog.disposable.IDisposable');
+
+
+
+/**
+ * Interface for a disposable object.  If a instance requires cleanup
+ * (references COM objects, DOM notes, or other disposable objects), it should
+ * implement this interface (it may subclass goog.Disposable).
+ * @interface
+ */
+goog.disposable.IDisposable = function() {};
+
+
+/**
+ * Disposes of the object and its resources.
+ * @return {void} Nothing.
+ */
+goog.disposable.IDisposable.prototype.dispose = goog.abstractMethod;
+
+
+/**
+ * @return {boolean} Whether the object has been disposed of.
+ */
+goog.disposable.IDisposable.prototype.isDisposed = goog.abstractMethod;