@Override
      public void actionPerformed(@NotNull AnActionEvent e) {
        Object contents = CopyPasteManager.getInstance().getContents(XWatchTransferable.EXPRESSIONS_FLAVOR);
        if (contents instanceof List) {
          for (Object item : ((List)contents)){
            if (item instanceof XExpression) {
              addWatchExpression(((XExpression)item), -1, true);
            }
          }
        }
      }
@Override
      public void actionPerformed(@NotNull AnActionEvent e)