FirebaseAppConfig error

[kitmt]

Typescript Error
Module '"C:/Users/Kit/Desktop/chat21-ionic/node_modules/@firebase/app-types/index"' has no exported member 'FirebaseAppConfig'.

`

	import { Observable, Subscription } from 'rxjs';
	import { FirebaseOptions, FirebaseAppConfig } from '@firebase/app-types';
	export declare const FirebaseOptionsToken: InjectionToken;

`

`

import { InjectionToken } from '@angular/core';

  | import { FirebaseApp as _FirebaseApp, FirebaseOptions, FirebaseAppConfig } from '@firebase/app-types';
  | import { FirebaseAuth } from '@firebase/auth-types';

`

Ionic Framework: 3.9.2
Ionic App Scripts: 1.3.7
Angular Core: 5.0.3
Angular Compiler CLI: 5.0.3
Node: 8.11.1
OS Platform: Windows 10
Navigator Platform: Win32

[kitmt]

[andrealeo83]

Please pull from master with : git pull
58145d8

I removed the unused dependency for angularfire