code: public void beginDelete(String groupName, String serviceName) {
          beginDeleteWithServiceResponseAsync(groupName, serviceName).toBlocking().single().body();
      }
docs: Delete DMS Service Instance.
  The services resource is the top-level resource that represents the Data Migration Service. The DELETE method deletes a service. Any running tasks will be canceled.
  
  @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