Published properties UI will react to from CamerService

PProperties_CS.swift

public class CameraService {
    typealias PhotoCaptureSessionID = String
    
//    MARK: Observed Properties UI must react to
    
//    1.
    @Published public var flashMode: AVCaptureDevice.FlashMode = .off
//    2.
    @Published public var shouldShowAlertView = false
//    3.
    @Published public var shouldShowSpinner = false
//    4.
    @Published public var willCapturePhoto = false
//    5.
    @Published public var isCameraButtonDisabled = true
//    6.
    @Published public var isCameraUnavailable = true
//    8.
    @Published public var photo: Photo?

...