private final Map<MavenProject, List<MavenProject>> projects;
    private final Map<String, String> aliases = new HashMap<>();
    private volatile Set<String> duplicateIds;
    private volatile List<BuildStep> sortedNodes;

    BuildPlan() {
        this.projects = null;
    }

    public BuildPlan(Map<MavenProject, List<MavenProject>> projects) {
        this.projects = projects;
    }

    }

    static <K, V> Map<K, V> copy(Map<K, V> map) {
        if (map == null) {
            return emptyMap();
        } else if (map instanceof AbstractImmutableMap) {
            return map;
        } else {
            switch (map.size()) {
                case 0:
                    return emptyMap();
                case 1:
                    Map.Entry<K, V> entry = map.entrySet().iterator().next();

	testCases := []struct {
		queryParams map[string]string
		headers     map[string]string
		region      string
		expected    APIErrorCode
	}{
		// (0) Should error without a set URL query.
		{
			region:   globalMinioDefaultRegion,
			expected: ErrInvalidQueryParams,
		},
		// (1) Should error on an invalid access key.
		{
			queryParams: map[string]string{
				"X-Amz-Algorithm":     signV4Algorithm,

			},
			expected:        map[string]string{},
			filterRetention: true,
		},
		{
			metadata: map[string]string{
				"x-amz-object-lock-legal-hold": "off",
			},
			expected:        map[string]string{},
			filterLegalHold: true,
		},
		{
			metadata: map[string]string{
				"x-amz-object-lock-legal-hold": "on",
			},
			expected:        map[string]string{"x-amz-object-lock-legal-hold": "on"},

		keys           []string
		expectedFields map[string]struct{}
	}{
		// No keys present
		{
			input:          "",
			keys:           []string{"comment"},
			expectedFields: map[string]struct{}{},
		},
		// No keys requested for tokenizing
		{
			input:          `comment="Hi this is my comment ="`,
			keys:           []string{},
			expectedFields: map[string]struct{}{},
		},
		// Single key requested and present

		}
		Toys []Toy `gorm:"polymorphic:Owner;"`
	}

	s, err := schema.Parse(&User{}, &sync.Map{}, schema.NamingStrategy{})
	if err != nil {
		t.Fatalf("Failed to parse schema, got error %v", err)
	}

	checkEmbeddedRelations(t, s.Relationships.EmbeddedRelations, map[string]EmbeddedRelations{
		"Cat": {
			Relations: map[string]Relation{
				"Toy": {
					Name:        "Toy",
					Type:        schema.HasOne,

			nidx++
			continue
		}
		h[nidx] += v[oidx]
		oidx++
		nidx++
	}
}

// toMap returns the map to a map[string]uint64.
func (h *sizeHistogram) toMap() map[string]uint64 {
	res := make(map[string]uint64, dataUsageBucketLen)
	var splCount uint64
	for i, count := range h {
		szInt := ObjectsHistogramIntervals[i]
		switch {

type MetricV2 struct {
	Description          MetricDescription `json:"Description"`
	StaticLabels         map[string]string `json:"StaticLabels"`
	Value                float64           `json:"Value"`
	VariableLabels       map[string]string `json:"VariableLabels"`
	HistogramBucketLabel string            `json:"HistogramBucketLabel"`
	Histogram            map[string]uint64 `json:"Histogram"`
}

                && options.modelVersion().isEmpty();

        boolean allOptionsDisabled = options.all().map(v -> !v).orElse(false)
                && options.infer().map(v -> !v).orElse(false)
                && options.model().map(v -> !v).orElse(false)
                && options.plugins().map(v -> !v).orElse(false)
                && options.modelVersion().isEmpty();

        if (noOptionsSpecified || allOptionsDisabled) {

type allHealState struct {
	sync.RWMutex

	// map of heal path to heal sequence
	healSeqMap map[string]*healSequence // Indexed by endpoint
	// keep track of the healing status of disks in the memory
	//   false: the disk needs to be healed but no healing routine is started
	//    true: the disk is currently healing
	healLocalDisks map[Endpoint]bool
	healStatus     map[string]healingTracker // Indexed by disk ID
}