import { ElementRef, OnDestroy, Renderer2 } from '@angular/core';
import * as i0 from "@angular/core";
export declare class TooltipDirective implements OnDestroy {
    private host;
    private renderer;
    text: string;
    private bubble;
    constructor(host: ElementRef<HTMLElement>, renderer: Renderer2);
    show(): void;
    hide(): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<TooltipDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<TooltipDirective, "[uiTooltip]", never, { "text": { "alias": "uiTooltip"; "required": false; }; }, {}, never, never, true, never>;
}