EntityConverter::initializeInner

private function initializeInner(): void
{
	if ($this->isInitialized)
	{
		return;
	}

	$this->sourceItem = $this->sourceFactory->getItem($this->entityID);
	if (!$this->sourceItem)
	{
		throw new SourceItemNotFoundException($this->sourceFactory->getEntityTypeId(), $this->entityID);
	}

	$this->isInitialized = true;

	//user permissions check is performed in operation, if needed
}