@SuppressWarnings("checkstyle:LineLength")
    public static <T_ROW> ColumnBuilder<T_ROW, T_ROW, Cell<T_ROW>> userRefColumnBuilder(
            final Function<T_ROW, UserRef> valueExtractor,
            final EventBus eventBus,
            final ClientSecurityContext securityContext,
            final UserRef.DisplayType displayType) {
        return userRefColumnBuilder(valueExtractor, eventBus, securityContext, false, displayType);
    }
A builder for creating a column for a {@link UserRef} with hover icons to copy the name of the doc
and to open the user/group.

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