nterface defines a single websocket extension parameter.</div>
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<th class="colFirst" scope="row"><a href="class-use/HandshakeResponse.html#jakarta.websocket">HandshakeResponse</a></th>
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<div class="block">The handshake response represents the WebSocket-defined HTTP response that is the response to the opening handshake
 request.</div>
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<th class="colFirst" scope="row"><a href="class-use/MessageHandler.html#jakarta.websocke