code: @Override
      public GetSubscriptionDefinitionVersionResult getSubscriptionDefinitionVersion(GetSubscriptionDefinitionVersionRequest request) {
          request = beforeClientExecution(request);
          return executeGetSubscriptionDefinitionVersion(request);
      }
docs: Retrieves information about a subscription definition version.
  
  @param getSubscriptionDefinitionVersionRequest
  @return Result of the GetSubscriptionDefinitionVersion operation returned by the service.
  @throws BadRequestException
  invalid request
  @sample AWSGreengrass.GetSubscriptionDefinitionVersion
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/greengrass-2017-06-07/GetSubscriptionDefinitionVersion"
  target="_top">AWS API Documentation</a>