@Override
  public String getColumnName(int column) {
    ColumnType type = getColumnType(column);
    return switch (type) {
      case OPERATION -> "*"; // NON-NLS
      case NAME -> DiffBundle.message("column.dirdiff.name");
      case SIZE -> DiffBundle.message("column.dirdiff.size");
      case DATE -> DiffBundle.message("column.dirdiff.date");
    };
  }
@Override
  public String getColumnName(int column)