@SafeVarargs
    public static <T_ROW> FilterFieldMappers<T_ROW> of(final FilterFieldMapper<T_ROW>... fieldMappers) {
        return of(Arrays.asList(fieldMappers));
    }
A wrapper for a collection of {@link FilterFieldMapper<T_ROW>}
stroom-util/src/main/java/stroom/util/filter/FilterFieldMappers.java