/**
 * @file Error Handling Utilities
 * @version 1.0.0
 * @status STABLE - DO NOT MODIFY WITHOUT TESTS
 * @lastModified 2024-06-07
 *
 * Standardized error handling system for MCP Ethers Wallet
 *
 * IMPORTANT:
 * - Add tests for any new error types
 * - Maintain consistent error codes
 *
 * Functionality:
 * - Custom error classes
 * - Error serialization
 * - Error codes
 */
export declare class EthersServerError extends Error {
    readonly code: string;
    readonly details?: Record<string, any>;
    readonly statusCode: number;
    constructor(message: string, code?: string, details?: Record<string, any>, statusCode?: number);
    serialize(): Record<string, any>;
}
export declare class NetworkError extends EthersServerError {
    constructor(message: string, details?: Record<string, any>);
}
export declare class ProviderError extends EthersServerError {
    constructor(message: string, details?: Record<string, any>);
}
export declare class ContractError extends EthersServerError {
    constructor(message: string, details?: Record<string, any>);
}
export declare class TransactionError extends EthersServerError {
    constructor(message: string, details?: Record<string, any>);
}
export declare class WalletError extends EthersServerError {
    constructor(message: string, details?: Record<string, any>);
}
export declare class ConfigurationError extends EthersServerError {
    constructor(message: string, details?: Record<string, any>);
}
export declare function handleUnknownError(error: unknown): EthersServerError;