/// <reference types="grecaptcha" />
import * as i0 from '@angular/core';
import { AfterViewInit, OnDestroy, EventEmitter, InjectionToken } from '@angular/core';
import * as i1 from '@sbb-esta/angular/core';
import { ControlValueAccessor } from '@angular/forms';
import { Observable } from 'rxjs';

declare class SbbCaptcha implements AfterViewInit, OnDestroy, ControlValueAccessor {
    private _elementRef;
    private _loader;
    private _zone;
    /** Identifier of sbb-captcha. */
    id: string;
    /**
     * SiteKey of the user.
     * It is optional.
     */
    siteKey?: string;
    /**
     * The color theme of the widget.
     * It is optional.
     */
    theme?: ReCaptchaV2.Theme;
    /**
     * The type of the widget.
     * It is optional.
     */
    type?: ReCaptchaV2.Type;
    /**
     * The size of the widget.
     * It is optional.
     */
    size?: ReCaptchaV2.Size;
    /**
     * The tabindex of the widget and challenge.
     * It is optional.
     */
    tabIndex: number;
    /**
     * The badge of the widget.
     * It is optional.
     */
    badge?: ReCaptchaV2.Badge;
    /** Event generated on captcha checkbox. */
    resolved: EventEmitter<string>;
    private _subscription;
    private _widget;
    private _grecaptcha;
    private _executeRequested;
    private _onChange;
    private _onTouched;
    constructor(...args: unknown[]);
    _onResolve($event: string): void;
    writeValue(value: string): void;
    registerOnChange(fn: (value: string) => void): void;
    registerOnTouched(fn: () => void): void;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    /**
     * Executes the invisible recaptcha.
     * Does nothing if component's size is not set to "invisible".
     */
    execute(): void;
    reset(): void;
    private _expired;
    private _captchaResponseCallback;
    private _grecaptchaReset;
    private _renderRecaptcha;
    static ɵfac: i0.ɵɵFactoryDeclaration<SbbCaptcha, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<SbbCaptcha, "sbb-captcha", ["sbbCaptcha"], { "id": { "alias": "id"; "required": false; }; "siteKey": { "alias": "siteKey"; "required": false; }; "theme": { "alias": "theme"; "required": false; }; "type": { "alias": "type"; "required": false; }; "size": { "alias": "size"; "required": false; }; "tabIndex": { "alias": "tabIndex"; "required": false; }; "badge": { "alias": "badge"; "required": false; }; }, { "resolved": "resolved"; }, never, never, true, never>;
}

declare class SbbCaptchaModule {
    static ɵfac: i0.ɵɵFactoryDeclaration<SbbCaptchaModule, never>;
    static ɵmod: i0.ɵɵNgModuleDeclaration<SbbCaptchaModule, never, [typeof i1.SbbCommonModule, typeof SbbCaptcha], [typeof SbbCaptcha]>;
    static ɵinj: i0.ɵɵInjectorDeclaration<SbbCaptchaModule>;
}

declare const SBB_RECAPTCHA_SETTINGS: InjectionToken<SbbRecaptchaSettings>;
interface SbbRecaptchaSettings {
    /**
     * SiteKey of the user.
     * It is optional.
     */
    siteKey?: string;
    /**
     * The color theme of the widget.
     * It is optional.
     */
    theme?: ReCaptchaV2.Theme;
    /**
     * Type of the widget.
     * It is optional.
     */
    type?: ReCaptchaV2.Type;
    /**
     * The size of the widget.
     * It is optional.
     */
    size?: ReCaptchaV2.Size;
    /**
     * Badge of the widget.
     * It is optional.
     */
    badge?: ReCaptchaV2.Badge;
}
declare const SBB_RECAPTCHA_DEFAULT_BASE_URL = "https://www.google.com/recaptcha/api.js";
declare const SBB_RECAPTCHA_CALLBACK_NAME = "ng2recaptchaloaded";

declare class SbbWindowRef {
    /** The global native browser window object. */
    get nativeWindow(): any;
    static ɵfac: i0.ɵɵFactoryDeclaration<SbbWindowRef, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<SbbWindowRef>;
}
declare global {
    interface Window {
        ng2recaptchaloaded: () => void;
    }
}

declare const SBB_RECAPTCHA_LANGUAGE: InjectionToken<string>;
declare const SBB_RECAPTCHA_BASE_URL: InjectionToken<string>;
declare const SBB_RECAPTCHA_NONCE: InjectionToken<string>;
declare class SbbCaptchaLoaderService {
    private _windowRef;
    /** @nocollapse */
    private static _ready;
    ready: Observable<ReCaptchaV2.ReCaptcha>;
    private _language;
    private _baseUrl;
    private _nonce;
    private _document;
    constructor(...args: unknown[]);
    private _init;
    static ɵfac: i0.ɵɵFactoryDeclaration<SbbCaptchaLoaderService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<SbbCaptchaLoaderService>;
}

export { SBB_RECAPTCHA_BASE_URL, SBB_RECAPTCHA_CALLBACK_NAME, SBB_RECAPTCHA_DEFAULT_BASE_URL, SBB_RECAPTCHA_LANGUAGE, SBB_RECAPTCHA_NONCE, SBB_RECAPTCHA_SETTINGS, SbbCaptcha, SbbCaptchaLoaderService, SbbCaptchaModule, SbbWindowRef };
export type { SbbRecaptchaSettings };