/**
* Count of used tag
*
* @param string $instanceId instance id
* @param string|null $word search specific word
* @param string|null $since since datetime
* @param string|null $until until datetime
* @return int
*/
public function count($instanceId, $word = null, $since = null, $until = null)
{
return $this->repo->count($instanceId, $word, $since, $until);
}
