Method constructor

packages/firebase-app-check/index.ios.ts:139–152

(app?: FirebaseApp)

	_nativeApp;
	_app: FirebaseApp;
	constructor(app?: FirebaseApp) {
		if (app?.native) {
			this._native = FIRAppCheck.appCheckWithApp(app.native);
			this._nativeApp = app.native;
		} else {
			if (defaultAppCheck) {
				return defaultAppCheck;
			}
			defaultAppCheck = this;
			const app = FIRApp.defaultApp();
			this._native = FIRAppCheck.appCheckWithApp(app);
			this._nativeApp = app;
		}
	}

	static setProviderFactory(custom?: AppCheckProviderFactory) {
		if (custom && custom instanceof AppCheckProviderFactory) {