import { AfterViewInit, ElementRef, EventEmitter, NgZone, OnDestroy } from '@angular/core';
import { ReCaptchaBadge, ReCaptchaSize, ReCaptchaTheme, ReCaptchaType } from './grecaptcha';
import { RecaptchaLoaderService } from './recaptcha-loader.service';
import { RecaptchaSettings } from './recaptcha-settings';
export declare class RecaptchaComponent implements AfterViewInit, OnDestroy {
    private elementRef;
    private loader;
    private zone;
    id: string;
    siteKey: string;
    theme: ReCaptchaTheme;
    type: ReCaptchaType;
    size: ReCaptchaSize;
    tabIndex: number;
    badge: ReCaptchaBadge;
    actionName?: string;
    resolved: EventEmitter<string>;
    /** @internal */
    private subscription;
    /** @internal */
    private widget;
    /** @internal */
    private grecaptcha;
    constructor(elementRef: ElementRef, loader: RecaptchaLoaderService, zone: NgZone, settings?: RecaptchaSettings);
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    /**
     * Executes the invisible recaptcha.
     * Does nothing if component's size is not set to "invisible".
     */
    execute(): void;
    reset(): void;
    /** @internal */
    private expired;
    /** @internal */
    private captchaReponseCallback;
    /** @internal */
    private grecaptchaReset;
    /** @internal */
    private renderRecaptcha;
}