** (Middleware) - Automatically un-gzips HTTP response content.** ** Adds 'gzip' as an accepted encoding in the HTTP request header. ** Should the response then be gzip encoded, the 'body' of the response is replaced with a decoded version. class GzipMiddleware : ButterMiddleware {** Set to 'false' to disable this middleware instance. Bool enabled := true @NoDocoverride ButterResponse sendRequest(Butter butter, ButterRequest req){if(!enabled)return butter.sendRequest(req) encs := req.headers.acceptEncoding ?: QualityValues()if(!encs.accepts("gzip")) req.headers.acceptEncoding = encs.set("gzip", 1.0f) res := butter.sendRequest(req)if(res.headers.contentEncoding?.equalsIgnoreCase("gzip") ?: false) res.body = Zip.gzipInStream(res.asInStream).readAllBufreturn res}}