func (x xlMetaV2VersionHeader) hasEC() bool {
	return x.EcM > 0 && x.EcN > 0
}

// sortsBefore can be used as a tiebreaker for stable sorting/selecting.
// Returns false on ties.
func (x xlMetaV2VersionHeader) sortsBefore(o xlMetaV2VersionHeader) bool {
	if x == o {
		return false
	}
	// Prefer newest modtime.
	if x.ModTime != o.ModTime {

			}
			if !strict && eVer.header.matchesNotStrict(oVer.header) {
				if prefer == nil {
					if eVer.header.sortsBefore(oVer.header) {
						prefer = e
					} else {
						prefer = other
					}
				}
				continue
			}
			if prefer != nil {
				return prefer, false
			}

			if eVer.header.sortsBefore(oVer.header) {
				return e, false
			}
			return other, false
		}
	}