@Override
  public void update(@NotNull AnActionEvent e) {
    ServersTreeStructure.RemoteServerNode node = getRemoteServerTarget(e);
    boolean visible = node != null;
    e.getPresentation().setVisible(visible);
    e.getPresentation().setEnabled(visible && !node.isConnected());
  }
@Override
  public void update(@NotNull AnActionEvent e)