/**
 * Type guard to check if an error is an instance of Error
 */
export declare function isError(error: unknown): error is Error;
/**
 * Safe error handler for async operations
 */
export declare function safeAsyncOperation<T>(operation: () => Promise<T>, errorPrefix?: string): Promise<T>;
/**
 * Get a safe error message from any error type
 */
export declare function getErrorMessage(error: unknown): string;