code: public function get(string $name, $default = null)
      {
          $res = $this->client->call('config.get', $name);
  
          return $res === null ? $default : $res;
      }
docs: Gets the value for the specified config name, falling back to the default if it does not exist.
  
  @param  string $name
  @param  mixed $default
  @return mixed|null
  
  @throws QlessException