func http2isNoCachedConnError(err error) bool {
	_, ok := err.(interface{ IsHTTP2NoCachedConnError() })
	return ok
}

type http2Server struct {
	NewWriteScheduler func() http2WriteScheduler
}

type http2WriteScheduler any

func http2NewPriorityWriteScheduler(any) http2WriteScheduler { panic(noHTTP2) }