// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build go1.11
// +build go1.11

package http2

import (
	
	
)

func ( *httptrace.ClientTrace) bool {
	return  != nil && .WroteHeaderField != nil
}

func ( *httptrace.ClientTrace, ,  string) {
	if  != nil && .WroteHeaderField != nil {
		.WroteHeaderField(, []string{})
	}
}

func ( *httptrace.ClientTrace) func(int, textproto.MIMEHeader) error {
	if  != nil {
		return .Got1xxResponse
	}
	return nil
}