overallBestTrainingJob property
If the hyperparameter tuning job is an warm start tuning job with a
WarmStartType of IDENTICAL_DATA_AND_ALGORITHM,
this is the TrainingJobSummary for the training job with the best
objective metric value of all training jobs launched by this tuning job and
all parent jobs specified for the warm start tuning job.
Implementation
final HyperParameterTrainingJobSummary? overallBestTrainingJob;