/**
 * Custom error class for API related errors
 */
export declare class APIError extends Error {
    readonly statusCode: number;
    constructor(message: string, statusCode: number);
}
/**
 * Custom error class for retry failures
 */
export declare class RetryError extends Error {
    readonly attempts: number;
    constructor(message: string, attempts: number);
}
/**
 * Custom error class for transaction failures
 */
export declare class TransactionError extends Error {
    readonly signature?: string | undefined;
    readonly logs?: string[] | undefined;
    constructor(message: string, signature?: string | undefined, logs?: string[] | undefined);
}
/**
 * Custom error class for wallet-related errors
 */
export declare class WalletError extends Error {
    constructor(message: string);
}
/**
 * Custom error class for RPC errors
 */
export declare class RPCError extends Error {
    readonly code?: number | undefined;
    constructor(message: string, code?: number | undefined);
}
/**
 * Custom error class for validation errors
 */
export declare class ValidationError extends Error {
    constructor(message: string);
}