code: @Override
      public UpdateCoreDefinitionResult updateCoreDefinition(UpdateCoreDefinitionRequest request) {
          request = beforeClientExecution(request);
          return executeUpdateCoreDefinition(request);
      }
docs: Updates a core definition.
  
  @param updateCoreDefinitionRequest
  @return Result of the UpdateCoreDefinition operation returned by the service.
  @throws BadRequestException
  invalid request
  @sample AWSGreengrass.UpdateCoreDefinition
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/greengrass-2017-06-07/UpdateCoreDefinition"
  target="_top">AWS API Documentation</a>