pointConfig.Configurator.html#beforeRequest-java.util.Map-">beforeRequest(Map&lt;String, List&lt;String&gt;&gt;)</a></span> - Method in class javax.websocket.<a href="javax/websocket/ClientEndpointConfig.Configurator.html" title="class in javax.websocket">ClientEndpointConfig.Configurator</a></dt>
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<div class="block">This method is called by the implementation after it has formulated the handshake request that will be used
 to initiate the connection to the server, but before it has sent any part of the