/**
   * Creates a new Google Document. Once the document is created, returns its Document ID.
   *
   * @param {Docs} service Docs authorized service to be able to create a Doc.
   * @return {String} Returns the Document ID of the newly created Doc.
   */
private static String createDocument(Docs service) throws IOException {
    // TODO: Create a new Google Document in the authorized account.
  }
private static String createDocument(Docs service) throws IOException {
// TODO: Create a new Google Document in the authorized account.
}
private static String createDocument(Docs service) throws IOException {
// TODO: Create a new Google Document in the authorized account.
}
private static String createDocument(Docs service) throws IOException {
// TODO: Create a new Google Document in the authorized account.
}