class ColumnTypeEditor implements IsWidget,
                                         org.dashbuilder.dataset.client.editor.ColumnTypeEditor {

    public void addHelpContent(final String title,
                               final String content,
                               final Placement placement) {
        columnType.setHelpContent(title,
                                  content,
                                  placement);
    }

    @Inject public  ColumnTypeEditor(final DropDownImageListEditor<ColumnType> columnType);

}