const (
	MethodGet     = "GET"
	MethodHead    = "HEAD"
	MethodPost    = "POST"
	MethodPut     = "PUT"
	MethodPatch   = "PATCH" // RFC 5789
	MethodDelete  = "DELETE"
	MethodConnect = "CONNECT"
	MethodOptions = "OPTIONS"
	MethodTrace   = "TRACE"

pkg net/http, const MethodGet = "GET"
pkg net/http, const MethodGet ideal-string
pkg net/http, const MethodHead = "HEAD"
pkg net/http, const MethodHead ideal-string
pkg net/http, const MethodOptions = "OPTIONS"
pkg net/http, const MethodOptions ideal-string
pkg net/http, const MethodPatch = "PATCH"
pkg net/http, const MethodPatch ideal-string
pkg net/http, const MethodPost = "POST"
pkg net/http, const MethodPost ideal-string

	return errorResponseHandler
}

// If none of the http routes match respond with appropriate errors
func errorResponseHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method == http.MethodOptions {
		return
	}
	desc := "Do not upgrade one server at a time - please follow the recommended guidelines mentioned here https://github.com/minio/minio#upgrading-minio for your environment"
	switch {

					return true
				}
			}
			return false
		},
		AllowedMethods: []string{
			http.MethodGet,
			http.MethodPut,
			http.MethodHead,
			http.MethodPost,
			http.MethodDelete,
			http.MethodOptions,
			http.MethodPatch,
		},
		AllowedHeaders:   commonS3Headers,
		ExposedHeaders:   commonS3Headers,
		AllowCredentials: true,
	}
	return cors.New(opts).Handler(handler)

	// For now, test the historical behavior.
	for _, method := range []string{
		MethodGet,
		MethodPost,
		MethodPut,
		MethodPatch,
		MethodDelete,
		MethodOptions,
		MethodTrace,
	} {
		req.Method = method
		_, body := getBody(t, method, req, c)
		if !bytes.Equal(body, file) {
			t.Fatalf("body mismatch for %v request: got %q, want %q", method, body, file)
		}
	}

	supportedMethods = sets.New(
		http.MethodGet,
		http.MethodHead,
		http.MethodPost,
		http.MethodPut,
		http.MethodPatch,
		http.MethodDelete,
		http.MethodConnect,
		http.MethodOptions,
		http.MethodTrace,
	)

	scope = log.RegisterScope("validation", "CRD validation debugging")

	// EmptyValidate is a Validate that does nothing and returns no error.

		"Cache-Control",
		"Retry-After",
		"X-Amz-Bucket-Region",
		"Expires",
		"X-Amz*",
		"X-Amz*",
		"*",
	}
	expectedMap.Set("Vary", "Origin")

	req, _ := http.NewRequest(http.MethodOptions, s.endPoint, nil)
	req.Header.Set("Origin", "http://foobar.com")
	res, err := s.client.Do(req)
	if err != nil {
		c.Fatal(err)
	}

	for k := range expectedMap {
		if v, ok := res.Header[k]; !ok {

		{"MaxBytesHandler", Func, 18},
		{"MaxBytesReader", Func, 0},
		{"MethodConnect", Const, 6},
		{"MethodDelete", Const, 6},
		{"MethodGet", Const, 6},
		{"MethodHead", Const, 6},
		{"MethodOptions", Const, 6},
		{"MethodPatch", Const, 6},
		{"MethodPost", Const, 6},
		{"MethodPut", Const, 6},
		{"MethodTrace", Const, 6},
		{"NewFileTransport", Func, 0},
		{"NewFileTransportFS", Func, 22},