import { AfterViewInit, OnDestroy } from '@angular/core';
import * as i0 from "@angular/core";
export declare class ScrollbarSelectHeightDirective implements AfterViewInit, OnDestroy {
    private element;
    private renderer;
    private layoutScrollbar;
    private scrollbar;
    private afterInitSub?;
    private afterUpdateSub?;
    readonly DEFAULT_MAX_HEIGHT = 250;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<ScrollbarSelectHeightDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<ScrollbarSelectHeightDirective, "ng-scrollbar[appScrollbarSelectHeight]", never, {}, {}, never, never, true, never>;
}