@Override
  public @Nullable String getCellResizeTooltip(RadContainer container, boolean isRow, int cell, int newSize) {
    final String size = getUpdatedSize(container, isRow, cell, newSize).toString();
    return isRow
           ? UIDesignerBundle.message("tooltip.resize.row", cell+getCellIndexBase(), size)
           : UIDesignerBundle.message("tooltip.resize.column", cell+getCellIndexBase(), size);
  }
@Override
  public @Nullable String getCellResizeTooltip(RadContainer container, boolean isRow, int cell, int newSize)