LogMessage::getTotalCount

protected function getTotalCount(int $entityTypeId, int $entityId): ?int
{
	$result = $this->timelineTable::getList([
		'select' => ['CNT'],
		'filter' => $this->getListFilter($entityTypeId, $entityId),
		'runtime' => [
			new ExpressionField('CNT', 'COUNT(*)'),
		],
	])
		->fetch()
	;

	if ($result)
	{
		return (int)$result['CNT'];
	}

	return null;
}