Laravel - auth()->refresh() is undefined in JWT AuthController?

I'm creating a Laravel + Angular application, and I use JWT. (I follow the tutorial but I get an error in the middle).

I already have a Laravel and Angular project, and when I created the laravel project I didn't specify any authentication (I even deleted the User migration).

Since they are existing project, I don't want to start over. I ran the following commands to use JWT in my angular project:

composer require tymon/jwt-auth:dev-develop --prefer-source
php artisan vendorublish --provider="Tymon\JWTAuth\Providers\LaravelServiceProvider"
php artisan jwt:secret


After that I copied the default router to api.php:

Route:ost('login', 'ApiController@login');
Route:ost('register', 'ApiController@register');

Route::group(['middleware' => 'auth.jwt'], function () {
Route::get('logout', 'ApiController@logout');
Route::get('user', 'ApiController@getAuthUser');

});


And extended the existing User.php:

class User extends Authenticatable implements JWTSubject


And I copied the required fields into config/auth.php.

In the next step I had to copy this into AuthController.php:

<?php

namespace App\Http\Controllers;

use Illuminate\Support\Facades\Auth;
use App\Http\Controllers\Controller;

class AuthController extends Controller
{
/**
* Create a new AuthController instance.
*
* @return void
*/
public function __construct()
{
$this->middleware('auth:api', ['except' => ['login']]);
}

/**
* Get a JWT via given credentials.
*
* @return \Illuminate\Http\JsonResponse
*/
public function login()
{
$credentials = request(['email', 'password']);

if (! $token = auth()->attempt($credentials)) {
return response()->json(['error' => 'Unauthorized'], 401);
}

return $this->respondWithToken($token);
}

/**
* Get the authenticated User.
*
* @return \Illuminate\Http\JsonResponse
*/
public function me()
{
return response()->json(auth()->user());
}

/**
* Log the user out (Invalidate the token).
*
* @return \Illuminate\Http\JsonResponse
*/
public function logout()
{
auth()->logout();

return response()->json(['message' => 'Successfully logged out']);
}

/**
* Refresh a token.
*
* @return \Illuminate\Http\JsonResponse
*/
public function refresh()
{
return $this->respondWithToken(auth()->refresh());
}

/**
* Get the token array structure.
*
* @param string $token
*
* @return \Illuminate\Http\JsonResponse
*/
protected function respondWithToken($token)
{
return response()->json([
'access_token' => $token,
'token_type' => 'bearer',
'expires_in' => auth()->factory()->getTTL() * 60
]);
}
}


In the public function refresh() method it gives me the following error: "Undefined method 'refresh'. intelephense(1013)" (The same for factory)

Why are they undefined? Do I have to include something to the class?

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