return errNotImplemented
}

// GetConsumption -- dummy implementation
func GetConsumption(_ string) (*resource.Quantity, error) {
	return nil, errNotImplemented
}

// GetInodes -- dummy implementation
func GetInodes(_ string) (*resource.Quantity, error) {
	return nil, errNotImplemented
}

// ClearQuota -- dummy implementation
func ClearQuota(_ mount.Interface, _ string) error {
	return errNotImplemented

	// enumerate the directory.
	GetConsumption(path string, id QuotaID) (int64, error)

	// GetInodes returns the number of inodes used by the
	// directory, determined by the implementation's quota-based
	// mechanism.  If it is unable to do so using that mechanism,
	// it should return an error and allow higher layers to
	// enumerate the directory.
	GetInodes(path string, id QuotaID) (int64, error)

		err = fakeAssignQuota(testcase.path, testcase.poduid, testcase.bytes)
	case "Clear":
		err = fakeClearQuota(testcase.path)
	case "GetConsumption":
		_, err = GetConsumption(testcase.path)
	case "GetInodes":
		_, err = GetInodes(testcase.path)
	default:
		t.Errorf("Case %v (%s, %s, %v) unknown operation %s", seq, testcase.name, testcase.path, true, testcase.op)
		return true
	}
	if err != nil && testcase.expectsSetQuota {

func (v linuxVolumeQuotaApplier) GetConsumption(_ string, id QuotaID) (int64, error) {
	return getQuantity(v.mountpoint, id, "-b", 1024, v.allowEmptyOutput)
}

// GetInodes returns the inodes in use if available via quotas
func (v linuxVolumeQuotaApplier) GetInodes(_ string, id QuotaID) (int64, error) {
	return getQuantity(v.mountpoint, id, "-i", 1, v.allowEmptyOutput)
}

	// Get the quota-based storage consumption for the path
	GetConsumption(path string) (*resource.Quantity, error)

	// Get the quota-based inode consumption for the path
	GetInodes(path string) (*resource.Quantity, error)

	// Remove the quota from a path
	// Implementations may assume that any data covered by the
	// quota has already been removed.
	ClearQuota(m mount.Interface, path string) error

	ibytes, err := applier.GetConsumption(path, dirQuotaMap[path])
	if err != nil {
		return nil, err
	}
	return resource.NewQuantity(ibytes, resource.DecimalSI), nil
}

// GetInodes -- retrieve the number of inodes in use under the directory
func GetInodes(path string) (*resource.Quantity, error) {
	// Note that we actually need to hold the lock at least through
	// running the quota command, so it can't get recycled behind our back

		usage.Bytes = consumption.Value()
		defer servermetrics.CollectVolumeStatCalDuration("fsquota", startTime)
	} else {
		defer servermetrics.CollectVolumeStatCalDuration("du", startTime)
	}

	inodes, _ := fsquota.GetInodes(path)
	if inodes != nil {
		usage.Inodes = inodes.Value()
	}

	if inodes != nil && consumption != nil {
		return usage, nil
	}

	topLevelStat := &unix.Stat_t{}
	err := unix.Stat(path, topLevelStat)

        dependsOn(transform1, [task4])

        when:
        collector.collectNodes([task1, task2, task3, task4, transform1])
        def graph = collector.getGraph()
        def nodes = graph.getNodes(PlannedNodeGraph.DetailLevel.LEVEL1_TASKS) as List<TestPlannedNode>
        then:
        nodes.size() == 4
        nodes*.nodeIdentity*.nodeType =~ [NodeType.TASK]
        verifyAll {

                        implicitProvidersForCapability = Lists.newArrayListWithExpectedSize(versions.size());
                        for (ComponentState version : versions) {
                            List<NodeState> nodes = version.getNodes();
                            for (NodeState nodeState : nodes) {
                                // Collect nodes as implicit capability providers if different than current node, selected and not having explicit capabilities

    private final Collection<TransformStepNode> nodes;

    public DefaultTransformNodeDependency(Collection<TransformStepNode> nodes) {
        this.nodes = nodes;
    }

    public Collection<TransformStepNode> getNodes() {
        return nodes;
    }