lambda-request-handler/dist/compile/handlers/fastifyHandler.d.ts

An npm module that allows your Node.js web applications to be deployed as an AWS Lambda function and invoked in response to API Gateway, HTTP API, or Application Load Balancer requests.

import { RequestListener } from "http";
type Output = (options: object) => Promise<RequestListener>;
type FastifyBuilder = (options: object) => any;
declare const fastifyHandler: (fastifyBuilder: FastifyBuilder) => Output;
export default fastifyHandler;