code: @Override
      public CreateDeviceDefinitionResult createDeviceDefinition(CreateDeviceDefinitionRequest request) {
          request = beforeClientExecution(request);
          return executeCreateDeviceDefinition(request);
      }
docs: Creates a device definition. You may provide the initial version of the device definition now or use
  ''CreateDeviceDefinitionVersion'' at a later time.
  
  @param createDeviceDefinitionRequest
  @return Result of the CreateDeviceDefinition operation returned by the service.
  @throws BadRequestException
  invalid request
  @sample AWSGreengrass.CreateDeviceDefinition
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/greengrass-2017-06-07/CreateDeviceDefinition"
  target="_top">AWS API Documentation</a>