code: def search_metrics(self, *args, **kwargs):
          
          return self._search_metrics_and_metadata(
              self._METRIC_ENDPOINT_SUFFIX, *args, **kwargs)
docs: Args:
              query (string): elasticsearch string query
              order_by (optional[string]): property by which to order results
              offset (optional[int]): number of results to skip for pagination
                  (default=0)
              limit (optional[int]): how many results to return (default=50)
              timeout (optional[int]): how long to wait for response (in seconds)
  
          Returns:
              result of query search on metrics