public Volume(RawDevice device) : base(device) { volume = (RawVolume)device; }
CdromDevice(RawDevice device) : base(device) { }
DiscVolume(RawDevice device) : base(device) { }
public Device(RawDevice device) { this.device = device; }
UsbDevice(RawDevice device) { Device = device; }
protected BlockDevice(RawDevice device) : base(device) { }