cli.BoolFlag{
		Name:  "json",
		Usage: "output logs in JSON format",
	},
	// Deprecated flag, so its hidden now, existing deployments will keep working.
	cli.BoolFlag{
		Name:   "compat",
		Usage:  "enable strict S3 compatibility by turning off certain performance optimizations",
		Hidden: true,
	},
	// This flag is hidden and to be used only during certain performance testing.
	cli.BoolFlag{
		Name:   "no-compat",

		return false
	}
	if vers == 0 {
		return true
	}
	hidden := true

	var xl xlMetaV2VersionHeader
	_ = decodeVersions(buf, vers, func(idx int, hdr, _ []byte) error {
		if _, err := xl.unmarshalV(headerV, hdr); err != nil {
			return errDoneForNow
		}
		if topDeleteMarker && idx == 0 && xl.Type == DeleteType {
			hidden = true
			return errDoneForNow
		}
		if !xl.FreeVersion() {