import { Request, Response } from 'express'; declare function signalError(req: Request, res: Response, err: any): void; declare function logFailure(req: Request, failure: any, err?: any): void; declare class ServerError extends Error { code: number[]; details: string[] | undefined; constructor(code: number[], message: string, details?: string[]); } export { ServerError, logFailure, signalError };