code: func Load(config []byte) (*Config, error) {
  	return load("", func(filename string) (jsonconfig.File, error) {
  		if filename != "" {
  			return nil, errors.New("JSON files with includes not supported with jsonconfig.Load")
  		}
  		return jsonFileImpl{bytes.NewReader(config), "config file"}, nil
  	})
  }
docs: // Load returns a low-level "handler config" from the provided config.
  // If the config doesn't contain a top-level JSON key of "handlerConfig"
  // with boolean value true, the configuration is assumed to be a high-level
  // "user config" file, and transformed into a low-level config.