import { OnDestroy, OnInit } from '@angular/core';
import { BaseCaptchaProvider } from './providers/base-captcha.provider';
import * as i0 from "@angular/core";
export declare class CaptchaComponent implements OnInit, OnDestroy {
    private readonly zone;
    private readonly logger;
    private readonly injector;
    private readonly captchaService;
    private readonly elementRef;
    private readonly invisibleEnabled;
    private readonly config;
    id: string;
    provider: BaseCaptchaProvider;
    resolved: import("@angular/core").OutputEmitterRef<string>;
    errored: import("@angular/core").OutputEmitterRef<any>;
    expired: import("@angular/core").OutputEmitterRef<void>;
    private widgetId;
    private executeRequested;
    ngOnInit(): void;
    execute(): void;
    reset(): void;
    private renderCaptcha;
    private resolvedCallback;
    private expiredCallback;
    private errorCallback;
    private captchaReset;
    private getCaptchaProvider;
    private randomId;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<CaptchaComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<CaptchaComponent, "spa-captcha", never, {}, { "resolved": "resolved"; "errored": "errored"; "expired": "expired"; }, never, never, false, never>;
}