}
	return append([]byte{}, b...)
}

// CutPrefix returns s without the provided leading prefix byte slice
// and reports whether it found the prefix.
// If s doesn't start with prefix, CutPrefix returns s, false.
// If prefix is the empty byte slice, CutPrefix returns s, true.
//
// CutPrefix returns slices of the original slice s, not copies.
func CutPrefix(s, prefix []byte) (after []byte, found bool) {

	{"", "d", "", false},
	{"", "", "", true},
}

func TestCutPrefix(t *testing.T) {
	for _, tt := range cutPrefixTests {
		if after, found := CutPrefix([]byte(tt.s), []byte(tt.sep)); string(after) != tt.after || found != tt.found {
			t.Errorf("CutPrefix(%q, %q) = %q, %v, want %q, %v", tt.s, tt.sep, after, found, tt.after, tt.found)
		}
	}
}

var cutSuffixTests = []struct {
	s, sep string

			versionID = tarHdrs.PAXRecords["minio.versionId"]
			hdrs = make(http.Header)
			for k, v := range tarHdrs.PAXRecords {
				if k == "minio.versionId" {
					continue
				}
				if after, ok0 := strings.CutPrefix(k, "minio.metadata."); ok0 {
					k = after
					hdrs.Set(k, v)
				}
			}
			m, err := extractMetadata(ctx, textproto.MIMEHeader(hdrs))
			if err != nil {
				return err
			}