Values_2.TuningJobStepMetaDataSourceMetadata for a tuning step.
type nonrec t = {arn : Values_1.HyperParameterTuningJobArn.t option;The Amazon Resource Name (ARN) of the tuning job that was run by this step execution.
*)}val to_value :
t ->
[> `Structure of
(string * [> `String of Values_1.HyperParameterTuningJobArn.t ]) list ]