import { ElementRef } from '@angular/core';
import * as i0 from "@angular/core";
export declare class NgxEllipsisTooltipDirective {
    private el;
    tooltipText?: string;
    placement: 'top' | 'bottom';
    delay: number;
    tooltipClass: string;
    private tooltipRef?;
    private appRef;
    private envInjector;
    private destroyRef;
    private showTimeoutId;
    constructor(el: ElementRef<HTMLElement>);
    onMouseEnter(): void;
    onMouseLeave(): void;
    onClick(): void;
    onDocumentClick(event: MouseEvent): void;
    private scheduleShowTooltip;
    private cancelShow;
    private tryShowTooltip;
    private isTruncated;
    private showTooltip;
    private hideTooltip;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgxEllipsisTooltipDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NgxEllipsisTooltipDirective, "[ngxEllipsisTooltip]", never, { "tooltipText": { "alias": "tooltipText"; "required": false; }; "placement": { "alias": "placement"; "required": false; }; "delay": { "alias": "delay"; "required": false; }; "tooltipClass": { "alias": "tooltipClass"; "required": false; }; }, {}, never, never, true, never>;
}