/**
 * Gmail API
 *
 * Access Gmail mailboxes including sending user email.
 *
 * @example
 * const google = require('googleapis');
 * const gmail = google.gmail('v1');
 *
 * @namespace gmail
 * @type {Function}
 * @version v1
 * @variation v1
 * @param {object=} options Options for Gmail
 */
declare function Gmail(options: any): void;
export = Gmail;