code: @Override
      public URI addService(Service service) throws ServiceException {
  
          URI serviceUri = super.addService(service);
          if (serviceUri != null) {
              // Index service
              this.indexService(service);
          }
  
          return service.getUri();
      }
docs: Creates a Service Description in the system.
  Only needs to be fed with an MSM Service description.
  
  After successfully adding a service, implementations of this method should raise a {@code ServiceCreatedEvent}
  
  @param service the input service description in terms of MSM
  @return the URI this service description was saved to
  @throws ServiceException