/**
 * reCAPTCHA v3 token acquisition.
 *
 * Dynamically injects the Google reCAPTCHA script loader for this package's
 * site key. Another reCAPTCHA script on the page (e.g. the host's own key) is
 * not reused, because it does not register our key.
 *
 * The site key is provided at runtime via configureApplePay({ recaptchaSiteKey }).
 */
/**
 * Requests a reCAPTCHA v3 token for the given action.
 *
 * @param action - The reCAPTCHA action identifier (e.g. 'VerifyMerchant', 'CheckEligibility')
 */
export declare const getRecaptchaToken: (action: string) => Promise<string>;
/**
 * The reCAPTCHA token required by /v1/wallet/purchase.
 */
export type RecaptchaToken = string;
/**
 * Acquires the single reCAPTCHA token needed by /v1/wallet/purchase.
 */
export declare const getPurchaseRecaptchaToken: () => Promise<RecaptchaToken>;