import { QueryList, AfterContentInit, OnDestroy } from '@angular/core';
import { StepItemComponent } from '../step-item/step-item.component';
export declare class StepComponent implements AfterContentInit, OnDestroy {
    items: QueryList<StepItemComponent>;
    activeIndex: number;
    private _activeIndex;
    private subscription;
    ngAfterContentInit(): void;
    ngOnDestroy(): void;
    initChildren(): void;
    updateChildren(num: number): void;
}
