docs: def CountHuntResultsByType(self, hunt_id, cursor=None):
      """Counts number of hunts results per type."""
      hunt_id_int = db_utils.HuntIDToInt(hunt_id)
  
      query = ("SELECT type, COUNT(*) FROM flow_results "
               "WHERE hunt_id = %s GROUP BY type")
  
      cursor.execute(query, [hunt_id_int])
      return dict(cursor.fetchall())