Values.UnsuccessfulFaceDisassociationSourceContains metadata like FaceId, UserID, and Reasons, for a face that was unsuccessfully disassociated.
type nonrec t = {faceId : FaceId.t option;A unique identifier assigned to the face.
*)userId : UserId.t option;A provided ID for the UserID. Unique within the collection.
*)reasons : UnsuccessfulFaceDisassociationReasons.t option;The reason why the deletion was unsuccessful.
*)}