import { oak } from "https://deno.land/x/create_react_app@v0.1.2/deps.ts";
const { Request } = oak;
Returns an array of charsets, accepted by the requestor, in order of
preference. If there are no charsets supplied by the requestor,
undefined is returned.
For a given set of charsets, return the best match accepted by the
requestor. If there are no charsets that match, then the method returns
undefined.