code: @Override
      public DeleteSubscriptionDefinitionResult deleteSubscriptionDefinition(DeleteSubscriptionDefinitionRequest request) {
          request = beforeClientExecution(request);
          return executeDeleteSubscriptionDefinition(request);
      }
docs: Deletes a subscription definition.
  
  @param deleteSubscriptionDefinitionRequest
  @return Result of the DeleteSubscriptionDefinition operation returned by the service.
  @throws BadRequestException
  invalid request
  @sample AWSGreengrass.DeleteSubscriptionDefinition
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/greengrass-2017-06-07/DeleteSubscriptionDefinition"
  target="_top">AWS API Documentation</a>