code: public function getAuthorizerToken($appId, $refreshToken)
      {
          $params = [
              'component_appid' => $this->getAppId(),
              'authorizer_appid' => $appId,
              'authorizer_refresh_token' => $refreshToken,
          ];
  
          return $this->parseJSON('json', [self::GET_AUTHORIZER_TOKEN, $params]);
      }
docs: Get authorizer token.
  
  It doesn't cache the authorizer-access-token.
  So developers should NEVER call this method.
  It'll called by: AuthorizerAccessToken::renewAccessToken()
  
  @param $appId
  @param $refreshToken
  
  @return \EasyWeChat\Support\Collection