import { ControllerHandlerReturnType, ErrorResponseBody, ErrorTranslationKey, HTTPStatus, TranslatableMessage } from '../typings/app';
/**
 * Builds the error body every failing handler returns. Routing errors through here is what keeps
 * user facing English out of the API: the headline can only be a translation key, and the client
 * decides the language it is read in.
 *
 * ```ts
 * errorResponse(404, 'ERRORS.QUEUE_NOT_FOUND');
 * errorResponse(400, { key: 'ERRORS.INVALID_GRANULARITY', options: { granularity } });
 * ```
 */
export declare function errorResponse(status: HTTPStatus, error: ErrorTranslationKey | TranslatableMessage, details?: Omit<ErrorResponseBody, 'error'> & Record<string, unknown>): ControllerHandlerReturnType;