Frank He wlhee

## client.go
package main

import (
	"fmt"
	"net/http"
	"os"
	"time"

	"google3/base/go/flag"
)

## upstream.go
package main

import (
	"fmt"
	"io"
	"math"
	"net/http"
	"net/http/httputil"
	"strconv"
	"strings"

## exmaple.go
package main

import (
        "context"
        "errors"
        "flag"
        "fmt"
        "io/ioutil"
        "log"
	package main

	import (
	"fmt"
	"net/http"
	"os"
	"time"

	"google3/base/go/flag"
	)
	package main

	import (
	"context"
	"errors"
	"flag"
	"fmt"
	"io/ioutil"
	"log"