* get the data from data source * to be used in simulation or execution * * @param int $dataloadId * @param string|null $file

* get all shares for an item (report or panorama) * * @param $item_type * @return array|false * @throws Exception */

* @param array<string, string> $headers * @return array{status: int, body: string, error: string|null} */

* @param bool $success * @param int|null $code * @param string|null $message * @return DataResponse */

* derive if maintenance is possible * @param $datasetMetadata * @return bool|DataResponse */