How to pass optional parameters while omitting some other optional parameters?

export interface INotificationService {<br /> error(message: string, title?: string, autoHideAfter? : number);<br /> }</p> <p>class X {<br /> error(message: string, title?: string, autoHideAfter?: number) {<br /> console.log(message, title, autoHideAfter);<br /> }<br /> }</p> <p>new X().error(“hi there”, undefined, 1000);