/**
 * Base error class for all SDK errors
 */
export declare class ArcadiaSDKError extends Error {
    code?: string | undefined;
    constructor(message: string, code?: string | undefined);
}
/**
 * Error thrown when wallet is not connected
 */
export declare class WalletNotConnectedError extends ArcadiaSDKError {
    constructor(message?: string);
}
/**
 * Error thrown when payment fails
 */
export declare class PaymentFailedError extends ArcadiaSDKError {
    txSignature?: string | undefined;
    constructor(message?: string, txSignature?: string | undefined);
}
/**
 * Error thrown when request times out
 */
export declare class TimeoutError extends ArcadiaSDKError {
    constructor(message?: string);
}
/**
 * Error thrown when SDK configuration is invalid
 */
export declare class InvalidConfigError extends ArcadiaSDKError {
    constructor(message?: string);
}
/**
 * Error thrown when SDK is not running in iframe
 */
export declare class NotInIframeError extends ArcadiaSDKError {
    constructor(message?: string);
}
/**
 * Error thrown when invalid amount is provided
 */
export declare class InvalidAmountError extends ArcadiaSDKError {
    constructor(message?: string);
}
/**
 * Error thrown when invalid token is provided
 */
export declare class InvalidTokenError extends ArcadiaSDKError {
    constructor(message?: string);
}
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