public function start(Request $request, AuthenticationException $authException = null)
    {
        return new RedirectResponse($this->createLoginPath($request));
    }
public function start(Request $request, AuthenticationException $authException = null)
    {
        return new RedirectResponse($this->createLoginPath($request));
    }
public function start ( Request $ request , AuthenticationException $ authException = null ) { return new RedirectResponse ( $ this -> createLoginPath ( $ request ) ) ; }
If the does not have credentials redirect the request to the login page with next_url for redirect purposes

@param Request $request
@param AuthenticationException|null $authException
@return RedirectResponse
If the does not have credentials redirect the request to the login page with next_url for redirect purposes