code: @Override
      public CreateCoreDefinitionVersionResult createCoreDefinitionVersion(CreateCoreDefinitionVersionRequest request) {
          request = beforeClientExecution(request);
          return executeCreateCoreDefinitionVersion(request);
      }
docs: Creates a version of a core definition that has already been defined. Greengrass groups must each contain exactly
  one Greengrass core.
  
  @param createCoreDefinitionVersionRequest
  @return Result of the CreateCoreDefinitionVersion operation returned by the service.
  @throws BadRequestException
  invalid request
  @sample AWSGreengrass.CreateCoreDefinitionVersion
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/greengrass-2017-06-07/CreateCoreDefinitionVersion"
  target="_top">AWS API Documentation</a>