}

    private static final BuildOperationListener NO_OP = new BuildOperationListener() {
        @Override
        public void started(BuildOperationDescriptor buildOperation, OperationStartEvent startEvent) {
        }

        @Override
        public void progress(OperationIdentifier buildOperationId, OperationProgressEvent progressEvent) {
        }

        @Override

        List<Object> incompleteChildren = new ArrayList<Object>();
        for (Map.Entry<Object, TestState> entry : executing.entrySet()) {
            if (testId.equals(entry.getValue().startEvent.getParentId())) {
                incompleteChildren.add(entry.getKey());
            }
        }

        if (!incompleteChildren.isEmpty()) {

    override fun started(buildOperation: BuildOperationDescriptor, startEvent: OperationStartEvent) {
    }

    override fun progress(operationIdentifier: OperationIdentifier, progressEvent: OperationProgressEvent) {
    }

            .orElse(null);
    }

    @Override
    public void started(BuildOperationDescriptor buildOperation, OperationStartEvent startEvent) {
        if (buildOperation.getDetails() instanceof ApplyPluginBuildOperationType.Details) {
            ApplyPluginBuildOperationType.Details details = (ApplyPluginBuildOperationType.Details) buildOperation.getDetails();

    }

    @Override
    public InternalOperationStartedProgressEvent createStartedEvent(DefaultTestDescriptor descriptor, ExecuteTestBuildOperationType.Details details, OperationStartEvent startEvent) {
        return new DefaultTestStartedProgressEvent(details.getStartTime(), descriptor);
    }

    @Override

    private static String twoIndent() {
        return Strings.repeat(INDENT, 2);
    }

    @Override
    public void started(BuildOperationDescriptor buildOperation, OperationStartEvent startEvent) {
        if (buildOperation.getDetails() instanceof ExecuteTaskBuildOperationDetails) {
            Task task = ((ExecuteTaskBuildOperationDetails) buildOperation.getDetails()).getTask();

            super(executorFactory);
            this.listenerProvider = listenerProvider;
        }

        @Override
        public void started(BuildOperationDescriptor buildOperation, OperationStartEvent startEvent) {
        }

        @Override
        public void progress(OperationIdentifier operationIdentifier, OperationProgressEvent progressEvent) {
        }

        @Override

    BuildOperationListener createBuildOperationListener() {
        return new BuildOperationListener() {
            @Override
            public void started(BuildOperationDescriptor buildOperation, OperationStartEvent startEvent) {
                LOGGER.info("Started: {}", buildOperation.getDisplayName());
            }

            @Override

            def listener = new $BuildOperationListener.name() {
                void started($BuildOperationDescriptor.name buildOperation, $OperationStartEvent.name startEvent) {
                    logger.lifecycle "started operation"
                }

                void progress($OperationIdentifier.name operationIdentifier, $OperationProgressEvent.name progressEvent) {

import org.gradle.tooling.events.OperationType;
import org.gradle.tooling.events.PluginIdentifier;
import org.gradle.tooling.events.ProgressEvent;
import org.gradle.tooling.events.ProgressListener;
import org.gradle.tooling.events.StartEvent;
import org.gradle.tooling.events.configuration.ProjectConfigurationFinishEvent;
import org.gradle.tooling.events.configuration.ProjectConfigurationOperationDescriptor;