import { oak } from "https://deno.land/x/hex@0.6.3/src/fw/service/deps.ts";
const { Router } = oak;
Register param middleware, which will be called when the particular param is parsed from the route.
Type Parameters
optional
S extends State = RSParameters
param: keyof RouteParams<R>
middleware: RouterParamMiddleware<R, RouteParams<R>, S>