@Override
      public void actionPerformed(@NotNull AnActionEvent e) {
        String[] strings = ArrayUtilRt.toStringArray(myPredefinedSeparators);
        String current = getCurrentSeparator();
        String separator = Messages.showEditableChooseDialog(PropertiesBundle.message("select.property.separator.dialog.text"),
                                                             PropertiesBundle.message("select.property.separator.dialog.title"),
                                                             Messages.getQuestionIcon(),
                                                             strings, current, null);
        if (separator == null) {
          return;
        }
        myPredefinedSeparators.add(separator);
        refillActionGroup();
      }
@Override
      public void actionPerformed(@NotNull AnActionEvent e)