enc, buf := ctx.HeaderEncoder()
	buf.Reset()

	if w.httpResCode != 0 {
		http2encKV(enc, ":status", http2httpCodeString(w.httpResCode))
	}

	http2encodeHeaders(enc, w.h, w.trailers)

	if w.contentType != "" {
		http2encKV(enc, "content-type", w.contentType)
	}
	if w.contentLength != "" {
		http2encKV(enc, "content-length", w.contentLength)
	}