@Override
    public @NotNull TableCellRenderer getRenderer(UserDefinedJsonSchemaConfiguration.Item item) {
      return new DefaultTableCellRenderer() {
        @Override
        public Component getTableCellRendererComponent(JTable table,
                                                       Object value,
                                                       boolean isSelected,
                                                       boolean hasFocus,
                                                       int row,
                                                       int column) {
          JLabel label = (JLabel)super.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
          label.setIcon(item.mappingKind.getIcon());

          String error = item.getError();
          if (error == null) {
            return label;
          }

          JPanel panel = new JPanel();
          panel.setLayout(new BorderLayout());
          panel.add(label, BorderLayout.CENTER);
          JLabel warning = new JLabel(AllIcons.General.Warning);
          panel.setBackground(label.getBackground());
          panel.setToolTipText(error);
          panel.add(warning, BorderLayout.LINE_END);
          return panel;
        }
      };
    }
@Override
    public @NotNull TableCellRenderer getRenderer(UserDefinedJsonSchemaConfiguration.Item item)