import { ElementRef, Renderer2, AfterViewInit } from '@angular/core';
export declare class ChSlideToggleDirective implements AfterViewInit {
    private elementRef;
    private renderer;
    active: boolean;
    state: string;
    index: number;
    constructor(elementRef: ElementRef, renderer: Renderer2);
    ngAfterViewInit(): void;
    onHostClick($event: any): void;
    getHeight(): void;
    toggle(): void;
}