/**
* Returns inbox conversations list by $userId
*
* @param int $userId
* @param int $first
* @param int $count
* @throws InvalidArgumentException
* @return array
*/
public function getInboxConversationList($userId, $first, $count)
{
if (empty($userId) || !isset($first) || !isset($count)) {
throw new InvalidArgumentException("Not numeric params were provided! Numbers are expected!");
}
return $this->conversationDao->getInboxConversationList($userId, $first, $count);
}