How to use the @angular/fire/auth-guard.redirectUnauthorizedTo function in @angular/fire

import { NgModule } from '@angular/core';
import { PreloadAllModules, RouterModule, Routes } from '@angular/router';

import { redirectUnauthorizedTo, canActivate } from '@angular/fire/auth-guard';

const redirectToLogin = redirectUnauthorizedTo(['login']);

const routes: Routes = [
  { path: '', redirectTo: 'home', pathMatch: 'full' },
  {
    path: 'home',
    loadChildren: () =>
      import('./home/home.module').then(m => m.HomePageModule),
    ...canActivate(redirectToLogin)
  },
  { path: 'login', loadChildren: './pages/login/login.module#LoginPageModule' },
  {
    path: 'signup',
    loadChildren: './pages/signup/signup.module#SignupPageModule'
  },
  {
    path: 'reset-password',