/**
 * Error handling utilities
 */
/**
 * Extract error message from unknown error type
 */
export declare function getErrorMessage(error: unknown): string;
/**
 * Extract error stack trace if available
 */
export declare function getErrorStack(error: unknown): string | undefined;
/**
 * Format error with message and optional stack trace
 */
export declare function formatError(error: unknown, includeStack?: boolean): string;