import { ElementRef, OnDestroy, Renderer2 } from '@angular/core';
import * as i0 from "@angular/core";
/**
 * * Diretiva para elementos com tooltip.
 *
 * Criada a partir do exemplo: https://stackblitz.com/edit/angular-tooltip-directive
 */
export declare class TooltipDirective implements OnDestroy {
    private el;
    private renderer;
    /**
     * * Texto do Tooltip.
     */
    tooltipTitle: string;
    /**
     * * Local onde o tooltip deve ser posicionado.
     */
    placement: 'top' | 'bottom' | 'left' | 'right';
    /**
     * * Delay para esconder o tooltip.
     */
    delay: string;
    tooltip: HTMLElement | null;
    offset: number;
    constructor(el: ElementRef, renderer: Renderer2);
    onMouseEnter(): void;
    onMouseLeave(): void;
    ngOnDestroy(): void;
    private show;
    private hide;
    private create;
    private setPosition;
    static ɵfac: i0.ɵɵFactoryDeclaration<TooltipDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<TooltipDirective, "[tooltip]", never, { "tooltipTitle": "tooltip"; "placement": "placement"; "delay": "delay"; }, {}, never>;
}