Manager::init

protected function init($languageId = '')
{
	if (!isset($this->dataSources[$languageId]))
	{
		$this->dataSources[$languageId] = [];
		$event = new BitrixMainEvent('biconnector', 'OnBIConnectorDataSources', [
			$this,
			&$this->dataSources[$languageId],
			$languageId,
		]);
		$event->send();
	}
}