import { FastifyPluginCallback } from "fastify"; type FastifyExampleCallback = FastifyPluginCallback; declare namespace fastifyExampleCallback { export interface FastifyExampleCallbackOptions { foo?: 'bar' } export interface FastifyExampleCallbackPluginOptions extends FastifyExampleCallbackOptions { } export const fastifyExampleCallback: FastifyExampleCallback export { fastifyExampleCallback as default } } declare function fastifyExampleCallback(...params: Parameters): ReturnType export default fastifyExampleCallback