+ static let failedToStart = Notification.Name("failedToStart")
+ static let receivedFrame = Notification.Name("receivedFrame")
+ static let failedtoUpload = Notification.Name("failedToUpload")
+ static let reloadConfiguration = Notification.Name("reloadConfiguration")
+ static let setCaptureSessionConfiguration = Notification.Name("setCaptureSessionConfiguration")
+ static let setConfiguration = Notification.Name("setConfiguration")