code: function getFileRemoteId(options: Object): string {
    const { remote } = options;
    if (!remote) {
      return undefined;
    }
  
    return typeof remote === "string" ? remote : remote.id;
  }
docs: Get remote ID from file options.
  
  @param options File options.
  @returns An ID as a string, or undefined if not set.
  @static
  @private