+ /**\r
+ * <p>Returns true if the command was not recognized by the Service Proxy,\r
+ * passed on to Pazpar2, and then also not recognized by Pazpar2.</p> \r
+ * <p>This results in an error no 3 from Pazpar2 which is passed back through \r
+ * the Service Proxy.</p> \r
+ * <p>This would normally be caused by issuing a Service Proxy-only command that \r
+ * the given Service Proxy is not configured for, or which the given \r
+ * Service Proxy has mapped to a different command name - in both cases it will \r
+ * just fall through.</p> \r
+ * \r
+ * @return\r
+ */\r