import { IPaymentGateway, PaymentParams, PaymentResult, VerifyParams, RefundParams } from '../types';
import { SubscriptionResult, InvoiceResult, WalletResult } from '../types/gateway';
/**
 * Stripe payment gateway implementation (real)
 */
export declare class StripeGateway implements IPaymentGateway {
    private config;
    private stripe;
    constructor(config: {
        apiKey: string;
    });
    /**
     * Initiate a payment (creates a PaymentIntent)
     */
    pay(params: PaymentParams): Promise<PaymentResult>;
    /**
     * Verify a payment (retrieve PaymentIntent)
     */
    verify(params: VerifyParams): Promise<PaymentResult>;
    /**
     * Refund a payment
     */
    refund(params: RefundParams): Promise<PaymentResult>;
    /**
     * Create a subscription
     */
    subscribe(_params?: Record<string, unknown>): Promise<SubscriptionResult>;
    /**
     * Create an invoice
     */
    createInvoice(_params?: Record<string, unknown>): Promise<InvoiceResult>;
    /**
     * Wallet operations (not directly supported by Stripe, stub)
     */
    wallet(_params?: Record<string, unknown>): Promise<WalletResult>;
}