wffweb/src/main/java/com/webfirmframework/wffweb/server/page/BrowserPage.java
public final void removeWebSocketPushListener(final String sessionId) {

        final WebSocketPushListener removed = sessionIdWsListeners
                .remove(sessionId);
        wsListeners.remove(removed);
        wsListener = wsListeners.peek();
    }
public final void removeWebSocketPushListener(final String sessionId) {

        final WebSocketPushListener removed = sessionIdWsListeners
                .remove(sessionId);
        wsListeners.remove(removed);
        wsListener = wsListeners.peek();
    }
removes the WebSocket listener added for this WebSocket session

@param sessionId
the unique id of WebSocket session
@since 2.1.0
@author WFF