import { ICallbackParams } from '../interfaces/requestParams/CallbackPayloadParams';
import { CheckoutConfig } from '../interfaces/CheckoutConfig';
import { IApiResponseObject } from '../interfaces/responses/ApiResponse';
import { IGetPaymentModesParams } from '../interfaces/requestParams/GetPaymentModesParams';
import { ICallbackPayload } from '../interfaces/responses/CallbackPayload';
import { IProcessedPaymentModesResponse } from '../utils/responseProcessor';
export default class CheckoutUtils {
    private config;
    constructor(config: typeof CheckoutConfig);
    /**
     * Retrieves available payment modes for the current order.
     *
     * @param params - Optional parameters to customize the payment modes request
     * @returns Promise resolving to payment modes data
     *
     * @example
     * ```typescript
     * // Basic usage
     * const paymentModes = await checkoutUtils.getPaymentModes();
     *
     * // With custom parameters
     * const paymentModes = await checkoutUtils.getPaymentModes({
     *   order_id: 'custom_order_123',
     *   os: 'android',
     *   upi_app_package_names: ['com.phonepe.app', 'com.google.android.apps.nbu.paisa.user']
     * });
     * ```
     */
    getPaymentModes: (params?: Partial<IGetPaymentModesParams>) => Promise<IApiResponseObject<IProcessedPaymentModesResponse>>;
    getCallbackPayload: (callbackParams?: ICallbackParams) => Promise<IApiResponseObject<ICallbackPayload>>;
}