redirect

/**
* Implements hook_preprocess_HOOK().
*/
function EXAMPLE_preprocess_page(&$variables) {
 $route_name = \Drupal::routeMatch()->getRouteName();
 if ($route_name == 'entity.user.canonical') {
   $current_user = \Drupal::currentUser();
   $roles = $current_user->getRoles();
   if

$response = new TrustedRedirectResponse('https://google.com');
$form_state->setResponse($response);