declare class User {
	private constructor();

	/**
	 * Gets the user's email address, if available. If security policies do not allow access to the
	 * user's email address, this method returns a blank string. The circumstances in which the email
	 * address is available vary: for example, the user's email address is not available in any
	 * context that allows a script to run without that user's authorization, like a simple <code>onOpen(e)</code> or <code>onEdit(e)</code> trigger, a custom function in Google Sheets, or a web app
	 * deployed to "execute as me" (that is, authorized by the developer instead of the user).
	 * However, these restrictions generally do not apply if the developer runs the script themselves
	 * or belongs to the same G Suite domain as the user.
	 * 
	 * <pre class="prettyprint"><code>
	 * // Log the email address of the person running the script.
	 * Logger.log(Session.getActiveUser().getEmail());
	 * </code></pre>
	 * 
	 * @returns The user's email's address, or a blank string if security policies do not allow access
	 *     to the user's email address.
	 */
	getEmail(): string
	/**
	 * Gets the user's email address.
	 * 
	 * <pre class="prettyprint"><code>
	 * // Log the email address of the person running the script.
	 * Logger.log(Session.getActiveUser().getUserLoginId());
	 * </code></pre>
	 * 
	 * @returns The user's email's address.
	 */
	getUserLoginId(): string

}