import { ifNoneMatch } from "https://dotland-vbqsvsrpfncg.deno-staging.dev/x/oak@v11.1.0/etag.ts?s=ifNoneMatch";A helper function that takes the value from the If-No-Match header and
an entity and returns false if the ETag for the entity matches the
supplied value, otherwise false.
See MDN's If-None-Match
article for more information on how to use this function.