--- /dev/null
+/*
+* Licensed to the Apache Software Foundation (ASF) under one or more
+* contributor license agreements. See the NOTICE file distributed with
+* this work for additional information regarding copyright ownership.
+* The ASF licenses this file to You 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.
+*/
+package javax.servlet;
+
+import java.io.IOException;
+import java.util.EventListener;
+
+/**
+ * TODO SERVLET3 - Add comments
+ * @since Servlet 3.0
+ */
+public interface AsyncListener extends EventListener {
+ void onComplete(AsyncEvent event) throws IOException;
+ void onTimeout(AsyncEvent event) throws IOException;
+ void onError(AsyncEvent event) throws IOException;
+ void onStartAsync(AsyncEvent event) throws IOException;
+}