code: protected function verify(Slice $token): Slice
      {
          return $this->apiRequest(new Slice([
              'token_type'   => $token->getRequired('token_type'),
              'access_token' => $token->getRequired('access_token'),
              'url'          => $this->slice->getRequired('app.url.verify'),
              'headers'      => [
                  'Accept' => 'application/json'
              ]
          ]));
      }
docs: @param Slice $token
  
  @return Slice
  
  @throws Invalid