// server before writing the request body.
	Wait100Continue func()

	// WroteRequest is called with the result of writing the
	// request and any body. It may be called multiple times
	// in the case of retried requests.
	WroteRequest func(WroteRequestInfo)
}

// WroteRequestInfo contains information provided to the WroteRequest
// hook.
type WroteRequestInfo struct {