React Native Firebase
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    getMultiFactorResolver: (
        auth: FirebaseAuthTypes.Module,
        error: unknown,
    ) => MultiFactorResolver | null

    Try and obtain a #MultiFactorResolver instance based on an error. Returns null if no resolver object could be found.

    const auth = firebase.auth();
    auth.signInWithEmailAndPassword(email, password).then((user) => {
    // signed in
    }).catch((error) => {
    if (error.code === 'auth/multi-factor-auth-required') {
    const resolver = getMultiFactorResolver(auth, error);
    }
    });

    Type Declaration