public static <T_ROW> ColumnBuilder<T_ROW, String, Cell<String>> copyTextColumnBuilder(
            final Function<T_ROW, String> valueExtractor,
            final EventBus eventBus) {

        return new ColumnBuilder<T_ROW, String, Cell<String>>(valueExtractor, () -> new CopyTextCell(eventBus));
    }
A builder for creating a text column with a hover icon to copy the text content of the cell

@param valueExtractor Function to extract a cell value from the {@code T_ROW}.
@param <T_ROW>        The row type
stroom-core-client/src/main/java/stroom/util/client/DataGridUtil.java