return nil
		case osIsPermission(err):
			return errFileAccessDenied
		case isSysErrIO(err):
			return errFaultyDisk
		default:
			return err
		}
	}

	// Delete parent directory obviously not recursively. Errors for
	// parent directories shouldn't trickle down.
	s.deleteFile(basePath, pathutil.Dir(pathutil.Clean(deletePath)), false, false)

	return nil
}

//	    (that are executed by other agents) or when customers pass requests through proxies, which may
//	    modify the user-agent.
//
//	Authorization:
//
//	    Is skipped for obvious reasons
var ignoredHeaders = map[string]bool{
	"Authorization": true,
	"User-Agent":    true,
}

// Headers to ignore in streaming v4
var ignoredStreamingHeaders = map[string]bool{
	"Authorization": true,