code: public Set<Connector> getConnectors(Long chargingStationTypeId, Long evseId) {
          ChargingStationType chargingStationType = chargingStationTypeRepository.findOne(chargingStationTypeId);
          Evse evse = getEvseById(chargingStationType, evseId);
  
          return evse.getConnectors();
      }
docs: Gets the connectors for a charging station type evse.
  
  @param chargingStationTypeId    charging station identifier.
  @param evseId                   evse id.
  @return set of connectors.