import { PaymentResult } from './types';
import { MessageHandler } from './messaging';
import { WalletManager } from './wallet';
import { APIClient } from './api-client';
/**
 * Payment processing
 */
export declare class PaymentManager {
    private gameId;
    private isIframe;
    private messageHandler;
    private walletManager;
    private apiClient;
    constructor(gameId: string, isIframe: boolean, messageHandler: MessageHandler, walletManager: WalletManager, apiClient?: APIClient | null);
    /**
     * Pay to play - one-time payment to access game
     * @param amount - Payment amount
     * @param token - Token type: 'SOL', 'USDC', or custom token symbol/mint address
     * @param txSignature - Transaction signature (required for non-iframe mode)
     */
    payToPlay(amount: number, token: 'SOL' | 'USDC' | string, txSignature?: string): Promise<PaymentResult>;
    /**
     * Purchase in-game item
     * @param itemId - Item identifier
     * @param amount - Payment amount
     * @param token - Token type: 'SOL', 'USDC', or custom token symbol/mint address
     * @param txSignature - Transaction signature (required for non-iframe mode)
     */
    purchaseItem(itemId: string, amount: number, token: 'SOL' | 'USDC' | string, txSignature?: string): Promise<PaymentResult>;
    /**
     * Validate payment parameters
     */
    private validatePaymentParams;
}
//# sourceMappingURL=payment.d.ts.map