Some functions appear as undefined firebase/auth v9

I was rewriting my code from firebase v8 to v9, i was watching this tutorial

i try to use the signInWithRedirect() function followed by the getRedirectResult() function

i import them like i import my others functions but when i console.log() thoses i get undefined in my console

here is my code :

import { View } from "react-native";

import firebase, { initializeApp } from 'firebase/app';

import { GoogleAuthProvider, useDeviceLanguage, signInWithCredential, onAuthStateChanged, getAuth, signInWithRedirect, getRedirectResult } from "firebase/auth";

const LoginSceen = (props) => {

  console.log(signInWithRedirect) //return undefined
  console.log(getRedirectResult ) //return undefined
  console.log(getAuth) //return [Function getAuth]
  console.log(GoogleAuthProvider) //return [Function GoogleAuthProvider]

  return (
    <View style={{ flex: 1, backgroundColor: "#9297C4" }}>

    </View>[enter image description here][1]

export default LoginSceen;

PS : the error i get is TypeError: _auth.signInWithRedirect is not a function
firebase version in my package.json "firebase": "^9.6.0",

here the getAuth function detected by vscode IntelliSense
here the signInWithRedirect function who appear as undefined in my console but detected too by IntelliSense