Optional ReadonlyboxThe IDENTITY the accepted patch will name, when the box has one.
ReadonlycountThe box's input width — how many channels the run covers.
ReadonlydeviceThe device the accept addresses — StageboxDevice.id.
ReadonlyendstartChannel + count − 1.
ReadonlystartThe lowest channel of the run.
One box, and the run of input channels proposed for it. Both bounds 1-based, inclusive.