/**
  * returns queries
  *
  * @param int $offset
  * @param int $limit
  * @return \Illuminate\Support\Collection
  */
 private function getQueries($offset = 0, $limit = 0)
 {
     $filter = $this->option('filter');
     if ($filter) {
         $queries = $this->repository->only($filter);
     } else {
         $queries = $this->repository->queries();
     }
     if ($offset > 0) {
         $queries = $queries->splice($offset);
     }
     if ($limit > 0) {
         $queries = $queries->take($limit);
     }
     return $queries;
 }