import { ElementRef, OnInit } from '@angular/core';
import * as i0 from "@angular/core";
export declare class AccordionDirective implements OnInit {
    private el;
    opened: boolean;
    constructor(el: ElementRef);
    ngOnInit(): void;
    clicked(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<AccordionDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<AccordionDirective, "[appAccordion]", never, { "opened": "opened"; }, {}, never>;
}