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import { Fastro } from "../mod.ts";const server = new Fastro();server  .decorate((instance) => {    instance.ok = "ok";  })  .decorate((instance) => {    instance.hello = (payload: string) => {      return payload;    };  });
server  .get("/", (req) => {    req.send(server.ok);  })  .get("/hello", (req) => {    req.send(server.hello("hello"));  });
await server.listen({ port: 8000 });