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java/javax/websocket/PongMessage.java

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+/*
+ * 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.websocket;
+
+import java.nio.ByteBuffer;
+
+/**
+ * Represents a WebSocket Pong message and used by message handlers to enable
+ * applications to process the response to any Pings they send.
+ */
+public interface PongMessage {
+    /**
+     * Get the payload of the Pong message.
+     *
+     * @return  The payload of the Pong message.
+     */
+    ByteBuffer getApplicationData();
+}