private final long startTime;
    private final Object parentId;

    @UsedByScanPlugin("test-distribution")
    public TestStartEvent(long startTime) {
        this(startTime, null);
    }

    @UsedByScanPlugin("test-distribution")
    public TestStartEvent(long startTime, Object parentId) {
        this.startTime = startTime;
        this.parentId = parentId;
    }

    public long getStartTime() {

    private final OperationIdentifier id;
    private final OperationIdentifier parentId;

    public DefaultTestOutputDescriptor(OperationIdentifier id, OperationIdentifier parentId) {
        this.id = id;
        this.parentId = parentId;
    }

    @Override
    public OperationIdentifier getId() {
        return id;
    }

    @Override

        then: 1 * processor.started({ it.id == 1 && it.name == 'Gradle suite' && it.className == null }, { it.parentId == null })
        then: 1 * processor.started({ it.id == 2 && it.name == 'Gradle test' && it.className == null }, { it.parentId == 1 })
        then: 1 * processor.started({ it.id == 3 && it.name == 'ok' && it.className == ATestNGClass.name }, { it.parentId == 2 })
        then: 1 * processor.completed(3, { it.resultType == ResultType.SUCCESS })

        loadOps[0].details.buildPath == ":"
        loadOps[0].parentId == root.id

        loadOps[1].displayName == "Load build (:buildB)"
        loadOps[1].details.buildPath == ":buildB"
        loadOps[1].parentId == loadOps[0].id

        loadOps[2].displayName == "Load build (:buildB:buildSrc)"
        loadOps[2].details.buildPath == ":buildB:buildSrc"
        loadOps[2].parentId == buildSrcOps[0].id

		nsabsentparentns2 = makeID("v1", "NSParent", "ns2", "parentname", "parentuid")

		nsabsentparent_version = makeID("xx", "NSParent", "ns1", "parentname", "parentuid")
		nsabsentparent_kind    = makeID("v1", "xxxxxxxx", "ns1", "parentname", "parentuid")
		nsabsentparent_name    = makeID("v1", "NSParent", "ns1", "xxxxxxxxxx", "parentuid")

    }

    SerializedOperationStart(Map<String, ?> map) {
        this.id = ((Integer) map.get("id")).longValue();
        Integer parentId = (Integer) map.get("parentId");
        this.parentId = parentId == null ? null : parentId.longValue();
        this.displayName = (String) map.get("displayName");
        this.startTime = (Long) map.get("startTime");
        this.details = map.get("details");

        taskGraphOps[0].parentId == treeTaskGraphOps[0].id
        taskGraphOps[1].displayName == "Calculate task graph (:buildC)"
        taskGraphOps[1].details.buildPath == ":buildC"
        taskGraphOps[1].parentId == treeTaskGraphOps[0].id
        taskGraphOps[2].displayName == "Calculate task graph"
        taskGraphOps[2].details.buildPath == ":"
        taskGraphOps[2].parentId == treeTaskGraphOps[1].id

        this.parentId = parentId;
    }

    public CompositeIdGenerator.CompositeId getParentId() {
        return parentId;
    }

    @Override
    public String getClassName() {
        return className;
    }

    @Override
    public String getMethodName() {
        return getName();
    }

    @Override
    public String getDisplayName() {
        return displayName;
    }

    @Override

    private final String displayName;
    private final OperationIdentifier parentId;

    public DefaultOperationDescriptor(OperationIdentifier id, String name, String displayName, OperationIdentifier parentId) {
        this.id = id;
        this.name = name;
        this.displayName = displayName;
        this.parentId = parentId;
    }

    @Override
    public OperationIdentifier getId() {
        return id;

            OperationIdentifier parentId = buildOperation.getParentId();

            if (parentId != null) {
                if (active.containsKey(parentId)) {
                    parents.put(id, parentId);
                } else {
                    parentId = parents.get(parentId);
                    if (parentId != null) {
                        parents.put(id, parentId);
                    }
                }