import { SDKConfig } from './types';
/**
 * Main Arcadia Game SDK class
 */
export declare class ArcadiaSDK {
    private config;
    private isIframe;
    private initialized;
    private messageHandler;
    private walletManager;
    private paymentManager;
    private apiClient;
    /**
     * Create new SDK instance
     */
    constructor(config: SDKConfig);
    /**
     * Initialize SDK and request initialization data from parent (iframe) or API (non-iframe)
     */
    init(): Promise<void>;
    /**
     * Get wallet address - use this as user identifier
     * Games should link all save data to this wallet address
     * Returns null if wallet not connected
     */
    getWalletAddress(): Promise<string | null>;
    /**
     * Check if wallet is connected
     */
    isWalletConnected(): Promise<boolean>;
    /**
     * Listen for wallet connection changes
     */
    onWalletChange(callback: (connected: boolean, address: string | null) => void): void;
    /**
     * Remove wallet change listener
     */
    offWalletChange(callback: (connected: boolean, address: string | null) => void): void;
    /**
     * Payment methods
     */
    get payment(): {
        /**
         * Pay to play - one-time payment to start/access game
         * @param amount - Payment amount
         * @param token - Token type: 'SOL', 'USDC', or custom token symbol/mint address
         * @param txSignature - Optional: Transaction signature (required for non-iframe mode)
         */
        payToPlay: (amount: number, token: "SOL" | "USDC" | string, txSignature?: string) => Promise<import("./types").PaymentResult>;
        /**
         * In-game purchase - buy items, upgrades, etc.
         * @param itemId - Item identifier
         * @param amount - Payment amount
         * @param token - Token type: 'SOL', 'USDC', or custom token symbol/mint address
         * @param txSignature - Optional: Transaction signature (required for non-iframe mode)
         */
        purchaseItem: (itemId: string, amount: number, token: "SOL" | "USDC" | string, txSignature?: string) => Promise<import("./types").PaymentResult>;
    };
    /**
     * Stats tracking methods (non-iframe mode only)
     */
    get stats(): {
        /**
         * Update playtime for the current game
         * @param playtimeHours - Total playtime in hours
         * @param status - Optional: 'playing', 'owned', 'completed'
         */
        updatePlaytime: (playtimeHours: number, status?: "playing" | "owned" | "completed") => Promise<void>;
        /**
         * Update user's online status
         * @param isOnline - Whether the user is online
         */
        updateOnlineStatus: (isOnline: boolean) => Promise<void>;
    };
    /**
     * Get SDK configuration
     */
    getConfig(): SDKConfig;
    /**
     * Check if SDK is running in iframe
     */
    isInIframe(): boolean;
    /**
     * Check if SDK is initialized
     */
    isInitialized(): boolean;
    /**
     * Cleanup SDK resources
     */
    destroy(): void;
    /**
     * Set up message listener for wallet updates
     */
    private setupMessageListener;
}
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