LMongo\Eloquent\Model::getQualifiedDeletedAtColumn PHP Method

    public function getQualifiedDeletedAtColumn()
    {
        return $this->getDeletedAtColumn();
    }

 /**
  * Force the result set to only included soft deletes.
  *
  * @return \Illuminate\Database\Eloquent\Builder
  */
 public function onlyTrashed()
 {
     $this->withTrashed();
     $this->query->whereNotNull($this->model->getQualifiedDeletedAtColumn());
     return $this;
 }