message: interval can also be a time class
diff: @@ -258,7 +258,7 @@ export class Transport extends ToneWithContext<TransportOptions> implements Emit
  */
  scheduleRepeat(
  callback: TransportCallback,
  - interval: Time,
  + interval: Time | TimeClass,
  startTime?: TransportTime | TransportTimeClass,
  duration: Time = Infinity,
  ): number {
  