Cancel a pre-cutover migration. 409s once the migration passed cutover.
Optionalopts: RequestOptionsStart a migration of an application's storage to another device.
Optionalopts: RequestOptionsGet a migration record. Throws NotFoundError if it does not exist.
Optionalopts: RequestOptionsList migrations for an application.
Optionalopts: RequestOptions
Application storage migration orchestration (see module doc).