protected function requestUserData()
 {
     $userData = parent::requestUserData();
     $userData['email'] = $this->requestEmail();
     return $userData;
 }
 protected function requestAccessToken()
 {
     $token = parent::requestAccessToken();
     $this->headers['user_details'] = ['Authorization' => 'Bearer ' . $token];
     return $token;
 }
 protected function requestUserData()
 {
     $userData = parent::requestUserData();
     return $userData;
 }