}

	if opts.IsHTTP3AltSvcHeaderNeeded {
		http3AltSvcHeader := buildHTTP3AltSvcHeader(listenPort, util.ALPNHttp3OverQUIC)
		if out.ResponseHeadersToAdd == nil {
			out.ResponseHeadersToAdd = make([]*core.HeaderValueOption, 0)
		}
		out.ResponseHeadersToAdd = append(out.ResponseHeadersToAdd, http3AltSvcHeader)
	}

	return out
}

func applyHTTPRouteDestination(
	out *route.Route,
	node *model.Proxy,

		out.RequestHeadersToRemove = append(out.RequestHeadersToRemove, weighted[0].RequestHeadersToRemove...)
		out.ResponseHeadersToAdd = append(out.ResponseHeadersToAdd, weighted[0].ResponseHeadersToAdd...)
		out.ResponseHeadersToRemove = append(out.ResponseHeadersToRemove, weighted[0].ResponseHeadersToRemove...)

		g.Expect(len(routes[0].ResponseHeadersToAdd)).To(Equal(1))
		g.Expect(routes[0].ResponseHeadersToAdd[0].AppendAction).To(Equal(envoycore.HeaderValueOption_OVERWRITE_IF_EXISTS_OR_ADD))
		g.Expect(routes[0].ResponseHeadersToAdd[0].Header.Key).To(Equal("Strict-Transport-Security"))
		g.Expect(routes[0].ResponseHeadersToAdd[0].Header.Value).To(Equal("max-age=31536000; includeSubDomains; preload"))
	})