import { ElementRef, Renderer, AfterContentInit } from '@angular/core'; export declare class AbsStepTrackerComponent implements AfterContentInit { renderer: Renderer; elemnt: ElementRef; currentIndex: number; data: any; viewPortIndex: number; maxViewItems: number; constructor(renderer: Renderer, elemnt: ElementRef); ngAfterContentInit(): void; nextStatus(): void; previousStatus(): void; isInViewport(index: any): boolean; }