import { BaseCaptchaProvider } from "./base-captcha.provider";
import { CaptchaRenderOptions, widgetId } from "../types";
import * as i0 from "@angular/core";
declare global {
    interface Window {
        grecaptcha: any;
    }
}
export declare class RecaptchaProvider extends BaseCaptchaProvider {
    private readonly logger;
    readonly name = "recaptcha";
    readonly url = "https://www.google.com/recaptcha/api.js?trustedtypes=true&render=explicit";
    render(element: HTMLElement, options: CaptchaRenderOptions): number;
    execute(widgetId?: widgetId): void;
    reset(widgetId?: widgetId): void;
    getResponse(widgetId?: widgetId): string | null;
    private ensureCaptchaWidget;
    static ɵfac: i0.ɵɵFactoryDeclaration<RecaptchaProvider, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<RecaptchaProvider>;
}