/**
  * Override
  *
  * @param array $where
  * @param array $columns
  * @param bool  $or
  *
  * @return \Illuminate\Database\Eloquent\Collection|null
  */
 public function findWhere($where, $columns = ['*'], $or = false)
 {
     return $this->postProcess(parent::findWhere($where, $columns, $or));
 }