}
        return fieldSet;
    }

    default boolean validateIndexLongFields(final Map<String, Object> source) {
        return invalidIndexLongFields(source).isEmpty();
    }

    default List<String> invalidIndexLongFields(final Map<String, Object> source) {
        final LongTypeValidator longValidator = new LongTypeValidator();
        return split(getIndexAdminLongFields(), ",").get(