}).collect(Collectors.toList()));
    }

    String getIndexAdminLongFields();

    default Set<String> getIndexAdminLongFieldSet() {
        @SuppressWarnings("unchecked")
        Set<String> fieldSet = (Set<String>) propMap.get(INDEX_ADMIN_LONG_FIELD_SET);
        if (fieldSet == null) {
            fieldSet = split(getIndexAdminLongFields(), ",")