code: public void beginStop(String groupName, String serviceName) {
          beginStopWithServiceResponseAsync(groupName, serviceName).toBlocking().single().body();
      }
docs: Stop service.
  The services resource is the top-level resource that represents the Data Migration Service. This action stops the service and the service cannot be used for data migration. The service owner won't be billed when the service is stopped.
  
  @param groupName Name of the resource group
  @param serviceName Name of the service
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws ApiErrorException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent