import { OnChanges, SimpleChanges, NgZone } from '@angular/core';
import { OverlayScrollbars } from 'overlayscrollbars';
import type { InitializationTarget } from 'overlayscrollbars';
import type { OverlayScrollbarsComponent } from './overlayscrollbars.component';
import * as i0 from "@angular/core";
export declare class OverlayScrollbarsDirective implements OnChanges {
    private ngZone;
    private instanceRef;
    private requestDefer;
    private cancelDefer;
    options?: OverlayScrollbarsComponent['options'];
    events?: OverlayScrollbarsComponent['events'];
    defer?: OverlayScrollbarsComponent['defer'];
    constructor(ngZone: NgZone);
    osInitialize(target: InitializationTarget): void;
    osInstance(): OverlayScrollbars | null;
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<OverlayScrollbarsDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<OverlayScrollbarsDirective, "[overlayScrollbars]", never, { "options": "options"; "events": "events"; "defer": "defer"; }, {}, never>;
}