/*!
 * Copyright (c) Friendly Captcha GmbH 2023.
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */
import { FriendlyCaptchaSDK } from "../sdk/sdk";
import { CommonCompatSDK } from "./common";
/**
 * Not currently used in this compatibility layer.
 * @public
 */
export type HCaptchaErrorCode = "rate-limited" | "network-error" | "invalid-data" | "challenge-error" | "challenge-closed" | "challenge-expired" | "missing-captcha" | "invalid-captcha-id" | "internal-error";
/**
 * FriendlyCaptchaHCaptchaCompatSDK wraps the FriendlyCaptchaSDK to provide a compatibility layer for hCaptcha.
 *
 * @public
 */
export declare class FriendlyCaptchaHCaptchaCompatSDK extends CommonCompatSDK {
    constructor(sdk: FriendlyCaptchaSDK);
    /**
     * Does not do anything in Friendly Captcha, always returns an empty string for compatibility.
     * @public
     */
    getRespKey(widgetId?: string): string;
}
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