import { Request } from "https://dotland.deno.dev/x/oak@v12.1.0/request.ts";
Returns an array of encodings, accepted by the requestor, in order of
preference. If there are no encodings supplied by the requestor,
then ["*"] is returned, matching any.
For a given set of encodings, return the best match accepted by the
requestor. If there are no encodings that match, then the method returns
undefined.
NOTE: You should always supply identity as one of the encodings
to ensure that there is a match when the Accept-Encoding header is part
of the request.