docs: @SuppressWarnings({"rawtypes", "unchecked"})
      private void setShowExplorer(boolean showExplorer) {
  
          Map dialogMap = (Map)getSettings().getDialogObject();
          if (dialogMap == null) {
              dialogMap = new HashMap();
              getSettings().setDialogObject(dialogMap);
          }
          dialogMap.put(getClass().getName(), Boolean.valueOf(showExplorer));
      }