IblockCatalogPermissionsSaver::getIblockRightsLetterToTaskId

static function getIblockRightsLetterToTaskId(): array
{
	static $iblockTasks;

	if (!isset($iblockTasks))
	{
		$rows = TaskTable::getList([
			'select' => [
				'ID',
				'LETTER',
			],
			'filter' => [
				'MODULE_ID' => 'iblock',
			],
		]);
		$iblockTasks = array_column($rows->fetchAll(), 'ID', 'LETTER');
	}

	return $iblockTasks;
}