import { OnDestroy, OnInit } from '@angular/core';
import * as i0 from "@angular/core";
export declare class LockScrollContextService {
    private stack;
    getContext(): number;
    pushContext(): number;
    popContext(): number;
    scrollPosition: number;
    static ɵfac: i0.ɵɵFactoryDeclaration<LockScrollContextService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<LockScrollContextService>;
}
export declare class LockScrollDirective implements OnInit, OnDestroy {
    private readonly context;
    constructor(context: LockScrollContextService);
    lock: boolean;
    ngOnInit(): void;
    ngOnDestroy(): void;
    private lockScroll;
    private unlockScroll;
    static ɵfac: i0.ɵɵFactoryDeclaration<LockScrollDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<LockScrollDirective, "[rivLockScroll]", never, { "lock": "rivLockScroll"; }, {}, never, never, false, never>;
}