import { ElementRef, NgZone, EventEmitter, OnDestroy } from '@angular/core';
import { TurnstileOptions } from './interfaces/turnstile-options';
import * as i0 from "@angular/core";
declare global {
    interface Window {
        onloadTurnstileCallback: () => void;
        turnstile: {
            render: (idOrContainer: string | HTMLElement, options: TurnstileOptions) => string;
            reset: (widgetIdOrContainer: string | HTMLElement) => void;
            getResponse: (widgetIdOrContainer: string | HTMLElement) => string | undefined;
            remove: (widgetIdOrContainer: string | HTMLElement) => void;
        };
    }
}
type SupportedVersion = '0';
export declare class NgxTurnstileComponent implements OnDestroy {
    private elementRef;
    private zone;
    private document;
    siteKey: string;
    action?: string;
    cData?: string;
    theme?: 'light' | 'dark' | 'auto';
    language?: string;
    version: SupportedVersion;
    tabIndex?: number;
    appearance?: 'always' | 'execute' | 'interaction-only';
    retry?: 'never' | 'auto';
    size?: 'normal' | 'flexible' | 'compact';
    resolved: EventEmitter<string | null>;
    errored: EventEmitter<string | null>;
    private widgetId;
    constructor(elementRef: ElementRef<HTMLElement>, zone: NgZone, document: Document);
    private _getCloudflareTurnstileUrl;
    createWidget(): void;
    reset(): void;
    ngOnDestroy(): void;
    scriptLoaded(): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgxTurnstileComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NgxTurnstileComponent, "ngx-turnstile", ["ngx-turnstile"], { "siteKey": { "alias": "siteKey"; "required": false; }; "action": { "alias": "action"; "required": false; }; "cData": { "alias": "cData"; "required": false; }; "theme": { "alias": "theme"; "required": false; }; "language": { "alias": "language"; "required": false; }; "version": { "alias": "version"; "required": false; }; "tabIndex": { "alias": "tabIndex"; "required": false; }; "appearance": { "alias": "appearance"; "required": false; }; "retry": { "alias": "retry"; "required": false; }; "size": { "alias": "size"; "required": false; }; }, { "resolved": "resolved"; "errored": "errored"; }, never, never, false, never>;
}
export {};