public void updateSessionData() {
    List<XExpression> watchExpressions = myRootNode.getWatchExpressions();
    XDebugSession session = getSession(getTree());
    XDebugSessionData data = (session != null) ? ((XDebugSessionImpl)session).getSessionData()
                                               : getData(XDebugSessionData.DATA_KEY, getTree());
    if (data != null) {
      data.setWatchExpressions(watchExpressions);
      getWatchesManager().setWatches(data.getConfigurationName(), watchExpressions);
    }
  }
public void updateSessionData()