19 declare(strict_types=1);
    46     public function readByID(
int $field_id): ?GenericData;
    51     public function readByIDs(
int ...$field_ids): \Generator;
    56     public function readByRecords(
bool $only_searchable, 
int ...$record_ids): \Generator;
    60     public function update(GenericData $data): void;
    62     public function delete(
int ...$field_ids): 
void;