import * as smartdelay from '@push.rocks/smartdelay'; const myConst: string = 'hello'; await smartdelay.delayFor(1000); function sealed(constructor: Function) { Object.seal(constructor); Object.seal(constructor.prototype); } @sealed class BugReport { type = 'report'; title: string; constructor(t: string) { this.title = t; } } console.log(myConst);