import { AfterViewInit, EventEmitter, NgZone, ElementRef } from '@angular/core'; export declare class Captcha implements AfterViewInit { el: ElementRef; _zone: NgZone; siteKey: string; theme: string; type: string; size: string; tabindex: number; language: string; initCallback: string; onResponse: EventEmitter; onExpire: EventEmitter; private _instance; constructor(el: ElementRef, _zone: NgZone); ngAfterViewInit(): void; init(): void; reset(): void; getResponse(): String; recaptchaCallback(response: string): void; recaptchaExpiredCallback(): void; ngOnDestroy(): void; } export declare class CaptchaModule { }