@Override
        public void customizeCellRenderer(@NotNull JTree tree,
                                          Object value,
                                          boolean selected,
                                          boolean expanded,
                                          boolean leaf,
                                          int row,
                                          boolean hasFocus) {
          //noinspection HardCodedStringLiteral
          append(value.toString());
        }
@Override
        public void customizeCellRenderer(@NotNull JTree tree,
                                          Object value,
                                          boolean selected,
                                          boolean expanded,
                                          boolean leaf,
                                          int row,
                                          boolean hasFocus)