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

    String getIndexAdminDoubleFields();

    default Set<String> getIndexAdminDoubleFieldSet() {
        @SuppressWarnings("unchecked")
        Set<String> fieldSet = (Set<String>) propMap.get(INDEX_ADMIN_DOUBLE_FIELD_SET);
        if (fieldSet == null) {
            fieldSet = split(getIndexAdminDoubleFields(), ",")