import { BaseResource } from './BaseResource.js';
import type { RequestOptions } from '../types/common.js';
import type { CheckoutInitParams, CheckoutPayParams, CheckoutPayResult } from '../types/checkout.js';
export declare class Checkout extends BaseResource {
    /**
     * Initialize a checkout session and get the redirect URL + checkout token.
     * The API returns a 302 redirect — this method captures it and returns
     * the URL and token without following the redirect.
     */
    createSession(params: CheckoutInitParams, opts?: RequestOptions): Promise<{
        redirectUrl: string;
        checkoutToken: string | null;
    }>;
    /**
     * @deprecated Use `createSession` instead. This method follows the 302 redirect
     * and tries to parse the checkout HTML as JSON, which will fail.
     */
    init(params: CheckoutInitParams, opts?: RequestOptions): Promise<{
        redirectUrl: string;
        checkoutToken?: string;
    }>;
    /**
     * Pay an existing checkout session. Used for server-side checkout flows
     * where you control the payment form and tokenization.
     */
    pay(params: CheckoutPayParams, opts?: RequestOptions): Promise<CheckoutPayResult>;
    /**
     * Check the async status of a checkout session (e.g. after 3DS redirect).
     */
    asyncStatus(checkoutToken: string, opts?: RequestOptions): Promise<unknown>;
}
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