import { OnInit, SimpleChanges } from '@angular/core';
import { DrillNavModel } from './navModel';
export declare class DrilldownNavComponent implements OnInit {
    nav: Array<DrillNavModel>;
    activeNav: Array<DrillNavModel>;
    parent: DrillNavModel;
    state: string;
    constructor();
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    drillDown(nav: DrillNavModel): void;
    drillUp(): void;
    findParent(nav: Array<DrillNavModel>, child: DrillNavModel): DrillNavModel;
}