import { ElementRef, OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core';
import { HTMLTippyProps } from './tippy.model';
/**
 * @description
 *
 * Lets a component or DOM element to have a tippy tooltip on hover.
 *
 */
export declare class TippyDirective implements OnInit, OnChanges, OnDestroy {
    private el;
    /**
     * The descriptor of a tippy instance.
     */
    tippyOptions: HTMLTippyProps;
    private tippy;
    private popper;
    private htmlItem;
    constructor(el: ElementRef);
    /**
     * Load a tippy instance on init lifecicle.
     */
    ngOnInit(): void;
    /**
     * Load new / update tippy instance when `tippyOptions` change.
     */
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    private loadTippy;
    private getOptions;
}