/**
  * @param $recipientListHandle
  *
  * @return SproutEmail_DefaultMailerRecipientModel[]
  */
 public function getRecipients($recipientListHandle)
 {
     if ($list = $this->getService()->getRecipientListByHandle($recipientListHandle)) {
         return SproutEmail_DefaultMailerRecipientModel::populateModels($list->recipients);
     }
 }
 /**
  * @return SproutEmail_DefaultMailerRecipientModel[]|null
  */
 public function getRecipients()
 {
     $records = SproutEmail_DefaultMailerRecipientRecord::model()->with('recipientLists')->findAll();
     if ($records) {
         return SproutEmail_DefaultMailerRecipientModel::populateModels($records);
     }
 }