import { ElementRef, OnDestroy, Renderer2 } from '@angular/core';
import * as i0 from "@angular/core";
export declare type NcScrollBarType = 'show' | 'hide' | 'hover';
export declare class HorizontalScrollDirective implements OnDestroy {
    private el;
    private renderer;
    /** 滚动条显示模式 */
    private _scrollBar;
    set ncScrollBar(value: NcScrollBarType);
    get ncScrollBar(): NcScrollBarType;
    private isMouseOver;
    constructor(el: ElementRef, renderer: Renderer2);
    ngAfterViewInit(): void;
    private updateScrollbarVisibility;
    private applyScrollbarStyles;
    onMouseEnter(): void;
    onMouseLeave(): void;
    onWheel(event: WheelEvent): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<HorizontalScrollDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<HorizontalScrollDirective, "[ncHorizontalScroll]", never, { "ncScrollBar": "ncScrollBar"; }, {}, never>;
}