/**
  * @param integer $fileInformationId
  * @param integer $thumbsCategoryId
  * @return RoundSaveThumb | NULL
  */
 public function getByInformationAndCategory($fileInformationId, $thumbsCategoryId)
 {
     return RoundSaveThumb::findOne(['thumbs_category_id' => $thumbsCategoryId, 'file_information_id' => $fileInformationId]);
 }