code: @Override
      public ListDeviceDefinitionVersionsResult listDeviceDefinitionVersions(ListDeviceDefinitionVersionsRequest request) {
          request = beforeClientExecution(request);
          return executeListDeviceDefinitionVersions(request);
      }
docs: Lists the versions of a device definition.
  
  @param listDeviceDefinitionVersionsRequest
  @return Result of the ListDeviceDefinitionVersions operation returned by the service.
  @throws BadRequestException
  invalid request
  @sample AWSGreengrass.ListDeviceDefinitionVersions
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/greengrass-2017-06-07/ListDeviceDefinitionVersions"
  target="_top">AWS API Documentation</a>