import { ElementRef, OnChanges, OnDestroy, SimpleChanges } from '@angular/core';
import { Content, Instance, Props } from 'tippy.js';
export declare class FangPopoverDirective implements OnChanges, OnDestroy {
    private el;
    options: Partial<Props>;
    content: Content;
    instance: Instance;
    constructor(el: ElementRef);
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
}