UsbTransferResult import { UsbTransferResult } from "destack:device/binding"; USB transfer result. export struct UsbTransferResult { status: UsbTransferStatus; bytes: uint64; packets: uint32; } language/library/src/device/binding/usb.ds:186:193 Members status: UsbTransferStatus Transfer status. bytes: uint64 Payload bytes transferred. packets: uint32 Packet entries completed when packetized.