func (tr *Transport) Request() *http.Request {
	return tr.request
}
Request returns the HTTP request.
package trace
import (
	"context"
	"net/http"
)
type Transport struct {
	endpoint     string
	operation   string
	reqHeader   headerCarrier
	replyHeader headerCarrier
	request     *http.Request
	pathTemplate string
}
func (tr *Transport) Kind() Kind {
	return KindHTTP
}
func (tr *Transport) Endpoint() string {
	return tr.endpoint
}
func (tr *Transport) Operation() string {
	return tr.operation
}