/**
 * Utility functions
 */
import { ErrorParameters } from './error_base';
/**
 * Get default error message
 * @param code Error code or message (e.g. E_NOT_FOUND)
 */
export declare const getDefaultErrorMessage: (code: string | number) => string;
/**
 * Get either default or predefined error message
 * @param code Error code or message (e.g. E_NOT_FOUND)
 * @param config Configuration object
 */
export declare const getEitherDefaultOrPredefinedErrorMessage: (config: ErrorParameters) => string;