3namespace Bitrix\Calendar\Update;
5use Bitrix\Calendar\Internals\EO_Event;
6use Bitrix\Calendar\Internals\EO_Event_Collection;
7use Bitrix\Calendar\Internals\EO_SectionConnection;
8use Bitrix\Calendar\Internals\EventConnectionTable;
9use Bitrix\Calendar\Internals\EventTable;
10use Bitrix\Calendar\Internals\SectionConnectionTable;
11use Bitrix\Main\ArgumentException;
12use Bitrix\Main\Config\Option;
13use Bitrix\Main\Entity\ReferenceField;
14use Bitrix\Main\Loader;
15use Bitrix\Main\LoaderException;
16use Bitrix\Main\ObjectPropertyException;
17use Bitrix\Main\ORM\Data\DataManager;
18use Bitrix\Main\ORM\Query\Join;
19use Bitrix\Main\SystemException;
20use Bitrix\Main\Update\Stepper;
47 return self::FINISH_EXECUTION;
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