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