if len(m) == 0 {
		return nil, false
	}

	dirExists := 0
	if cap(r.candidates) < len(m) {
		r.candidates = make([][]xlMetaV2ShallowVersion, 0, len(m))
	}
	r.candidates = r.candidates[:0]
	objsAgree := 0
	objsValid := 0
	for i := range m {
		entry := &m[i]
		// Empty entry
		if entry.name == "" {
			continue
		}

		if entry.isDir() {

	// Set of env vars for the sub-system to validate.
	candidates := set.CreateStringSet(subSysEnvVars...)

	// Remove all default target env vars from the candidates set (as they
	// are valid).
	for _, param := range validKeys {
		paramEnvName := getEnvVarName(subSys, Default, param)
		candidates.Remove(paramEnvName)
	}

	isSingleTarget := SubSystemsSingleTargets.Contains(subSys)

	}

	// Find the successor mod time in quorum, otherwise leave the
	// candidate's successor modTime as found
	succModTimeMap := make(map[time.Time]int)
	var candidate FileInfo
	var found bool
	for i, hash := range metaHashes {
		if hash == maxHash {
			if metaArr[i].IsValid() {
				if !found {
					candidate = metaArr[i]
					found = true
				}
				succModTimeMap[metaArr[i].SuccessorModTime]++

	})
	for remove > 0 && len(leaves) > 0 {
		// Remove top entry.
		e := leaves[0]
		candidate := e.path
		if candidate == path && !compactSelf {
			// We should be the biggest,
			// if we cannot compact ourself, we are done.
			break
		}
		removing := d.totalChildrenRec(candidate.Key())
		flat := d.sizeRecursive(candidate.Key())
		if flat == nil {
			leaves = leaves[1:]
			continue
		}