import { ElementRef, OnDestroy, OnInit } from '@angular/core';
import { Router } from '@angular/router';
import * as i0 from "@angular/core";
export declare class NavigationScrollDirective implements OnInit, OnDestroy {
    private platformId;
    private elementRef;
    private router;
    private sub;
    constructor(platformId: any, elementRef: ElementRef, router: Router);
    initNavSub(): void;
    ngOnInit(): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NavigationScrollDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NavigationScrollDirective, "[sdkNavigationScroll]", never, {}, {}, never, never, false>;
}