Values.TransitionSourceSpecifies when an object transitions to a specified storage class. For more information about Amazon S3 Lifecycle configuration rules, see Transitioning objects using Amazon S3 Lifecycle in the Amazon S3 User Guide.
type nonrec t = {date : Date.t option;Indicates when objects are transitioned to the specified storage class. The date value must be in ISO 8601 format. The time is always midnight UTC.
*)days : Days.t option;Indicates the number of days after creation when objects are transitioned to the specified storage class. The value must be a positive integer.
*)storageClass : TransitionStorageClass.t option;The storage class to which you want the object to transition.
*)}