import Field from './Field';
import { Action, CaptchaDisplayMode, CaptchaJson, CaptchaModel, ContainerModel, FormModel } from './types';
declare class Captcha extends Field implements CaptchaModel {
    private _captchaDisplayMode;
    private _captchaProvider;
    private _captchaSiteKey;
    constructor(params: CaptchaJson, _options: {
        form: FormModel;
        parent: ContainerModel;
        mode?: 'create' | 'restore';
    });
    getDataNode(): undefined;
    custom_setProperty(action: Action): void;
    get captchaDisplayMode(): CaptchaDisplayMode | undefined;
    get captchaProvider(): string | undefined;
    get captchaSiteKey(): string | undefined;
}
export default Captcha;