@Override
  protected void perform(AnActionEvent e) {
    final ReferenceType selectedClass = DebuggerActionUtil.getSelectedClass(e);
    final InstancesProvider provider = e.getData(ClassesFilteredView.NEW_INSTANCES_PROVIDER_KEY);
    final XDebugSession session = DebuggerUIUtil.getSession(e);
    if (selectedClass != null && provider != null && session != null) {
      new InstancesWindow(session, provider, selectedClass).show();
    }
  }
@Override
  protected void perform(AnActionEvent e)