Track Changes operations

Back to full reference Tracked-change inspection and review operations.

Operation	Member path	Mutates	Idempotency	Tracked	Dry run
`trackChanges.list`	`trackChanges.list`	No	`idempotent`	No	No
`trackChanges.get`	`trackChanges.get`	No	`idempotent`	No	No
`trackChanges.decide`	`trackChanges.decide`	Yes	`conditional`	No	No