import 'package:firebase_auth/firebase_auth.dart'; class FireBaseAuthentication { final _auth = FirebaseAuth.instance; Future register(String email, String password) async { final authResult = await _auth.createUserWithEmailAndPassword( email: email, password: password); return authResult; } Future signIn(String email, String password) async { final authResult = await _auth.signInWithEmailAndPassword( email: email, password: password); return authResult; } }