protected @Nullable T computeNext() {
      while (!stack.isEmpty()) {
        PostOrderNode<T> top = stack.getLast();
        if (top.childIterator.hasNext()) {
          T child = top.childIterator.next();
          stack.addLast(expand(child));
        } else {
          stack.removeLast();
          return top.root;
        }
      }
      return endOfData();
    }

            return currentVersion.compareTo(minVersion) < 0;
        }
    }

    /**
     * Helper method to get child element text.
     */
    private String getChildText(Element parent, String childName) {
        Element child = parent.child(childName).orElse(null);
        return child != null ? child.textContentTrimmed() : null;
    }

    /**
     * Gets the list of plugin upgrades to apply.
     */

        File pom0 = new File(localRepo, "p0/pom.xml");
        File pom0Basedir = pom0.getParentFile();
        File pom1 = new File(pom0Basedir, "p1/pom.xml");

        // load the child project, which inherits from p0...
        MavenProject project0 = getProjectWithDependencies(pom0);
        MavenProject project1 = getProjectWithDependencies(pom1);

        queryProcessor = new QueryProcessor();
        queryProcessor.init();
        ComponentUtil.register(queryProcessor, "queryProcessor");

        // Call child class specific setup
        setUpChild();
    }

    /**
     * Override this method in child classes to perform additional setup
     */
    protected void setUpChild() throws Exception {
        // Default implementation does nothing
    }

    /**

 * session events and their originating operations in the application code. The trace structure
 * supports the following key features:
 *
 * <ul>
 *   <li>Maintains parent-child relationships between requests to track operation nesting</li>
 *   <li>Carries contextual data describing the current request or operation</li>
 *   <li>Supports both internal session operations and client-provided trace information</li>

    private void deleteRecursively(File file) {
        if (file.isDirectory()) {
            File[] children = file.listFiles();
            if (children != null) {
                for (File child : children) {
                    deleteRecursively(child);
                }
            }
        }
        file.delete();
    }

    // ===================================================================================

            buf.append('[');
            boolean first = true;
            for (final Object child : (String[]) obj) {
                if (first) {
                    first = false;
                } else {
                    buf.append(',');
                }
                buf.append(escapeJson(child));
            }
            buf.append(']');
        } else if (obj instanceof List<?>) {

        // Also check inside profiles
        Element profilesElement = root.child(PROFILES).orElse(null);
        if (profilesElement != null) {
            var profileElements = profilesElement.children(PROFILE).toList();
            for (Element profileElement : profileElements) {
                Element profileModulesElement = profileElement.child(MODULES).orElse(null);
                if (profileModulesElement != null) {

    /**
     * @param aggregator <code>true</code> if the Mojo uses the Maven project and its child modules,
     * <code>false</code> otherwise.
     */
    public void setAggregator(boolean aggregator) {
        this.aggregator = aggregator;
    }

    /**
     * @return <code>true</code> if the Mojo uses the Maven project and its child modules,
     * <code>false</code> otherwise.
     */
    public boolean isAggregator() {

                lifecycle.allPhases().forEach(phase -> phase.phases().forEach(child -> {
                    steps.get(BEFORE + child.name()).executeAfter(steps.get(BEFORE + phase.name()));
                    steps.get(AFTER + phase.name()).executeAfter(steps.get(AFTER + child.name()));
                }));
                // for each phase, create links between this project phases