manglende callbacks

Sentiance.swift

    func setupSentiance(completion: (() -> Void)? = nil, failure: ((_ error: SentianceError) -> Void)? = nil) {
        if CLLocationManager.authorizationStatus() != .authorizedAlways, CMMotionActivityManager.authorizationStatus() != .authorized { return }
        guard let realm = try? Realm(), let _ = realm.objects(User.self).first else { return }

        if let isInitialised = SENTSDK.sharedInstance()?.getInitState() {
            if isInitialised == .SENTInitInProgress { return }

            if isInitialised == .SENTInitialized {
                if let sdkStatus = SENTSDK.sharedInstance()?.getStatus()?.startStatus, sdkStatus == .started {
                    completion?()
                    delegates |> { delegate in
                        delegate.sentianceStarted()
                    }
                } else {
                    startSentiance(completion: completion, failure: failure)
                }
                return
            }
        }

        if let appId = KeychainWrapper.standard.string(forKey: ConfigKey.sentianceAppId.rawValue), let appSecret = KeychainWrapper.standard.string(forKey: ConfigKey.sentianceAppSecret.rawValue) {
            self.initSentianceWithAppId(appId, appSecret: appSecret, completion: completion, failure: failure)
        } else {
            fetchConfig(success: { (config) in
                if let sentianceAppID = config[ConfigKey.sentianceAppId],
                    let sentianceAppSecret = config[ConfigKey.sentianceAppSecret] {
                    self.initSentianceWithAppId(sentianceAppID, appSecret: sentianceAppSecret, completion: completion, failure: failure)
                }
            }) { (error) in
                failure?(.unretrievableConfig)
                return
            }
        }