public void push(Element element) {
        stack.getFirst().appendChild(element);
        stack.addFirst(element);
    }

    public Element pop() {
        Element element = stack.removeFirst();
        if (emptyPara(element)) {
            element.getParentNode().removeChild(element);
        }
        return element;
    }

    private boolean emptyPara(Element element) {

        return hasUpgrades;
    }

    /**
     * Checks if a plugin is already managed in the given plugins element.
     */
    private boolean isPluginAlreadyManagedInElement(Element pluginsElement, PluginUpgrade upgrade) {
        List<Element> pluginElements = pluginsElement.children(PLUGIN).toList();
        for (Element pluginElement : pluginElements) {
            String groupId = getChildText(pluginElement, GROUP_ID);

                .reduce(false, Boolean::logicalOr);
    }

    private static class BuildContainer {
        final Element element;
        final String sectionName;

        BuildContainer(Element element, String sectionName) {
            this.element = element;
            this.sectionName = sectionName;
        }
    }

import gradlebuild.docs.dsl.source.model.MethodMetaData
import org.w3c.dom.Element

class MethodDoc implements DslElementDoc {
    private final String id
    private final MethodMetaData metaData
    private final List<Element> comment
    private final ClassMetaData referringClass

    MethodDoc(MethodMetaData metaData, List<Element> comment) {
        this(metaData.ownerClass, metaData, comment)
    }

	// as a ring, such that &l.root is both the next element of the last
	// list element (l.Back()) and the previous element of the first list
	// element (l.Front()).
	next, prev *Entry[K, V]

	// The list to which this element belongs.
	list *LruList[K, V]

	// The LRU Key of this element.
	Key K

	// The Value stored with this element.
	Value V

	// The time this element would be cleaned up, optional

    }

    /**
     * Removes the model version element from a POM editor.
     * This is used during inference when the model version can be inferred.
     *
     * @param document the XML document
     * @return true if the element was removed, false if it didn't exist
     */
    public static boolean removeModelVersion(Document document) {
        Element root = document.root();
        if (root == null) {

            Element moduleBRoot = moduleBDoc.root();
            Element build = moduleBRoot.child("build").orElse(null);
            Element plugins = build.child("plugins").orElse(null);
            Element plugin = plugins.child("plugin").orElse(null);
            Element dependencies = plugin.child("dependencies").orElse(null);
            Element dependency = dependencies.child("dependency").orElse(null);

        Element root = editor.root();
        if (root == null) {
            return;
        }

        // Convert modules element to subprojects
        Element modulesElement = root.child(MODULES).orElse(null);
        if (modulesElement != null) {
            // domtrip makes this much simpler - just change the element name

package gradlebuild.docs

import groovy.xml.dom.DOMCategory
import org.w3c.dom.Element
import org.w3c.dom.Node

class BuildableDOMCategory extends DOMCategory {
    public static void setText(Element element, String value) {
        while (element.hasChildNodes()) {
            element.removeChild(element.getFirstChild())
        }
        element.appendChild(element.ownerDocument.createTextNode(value))
    }

import org.w3c.dom.Document;
import org.w3c.dom.Element;

public class ElementWarningsRenderer {
    public void renderTo(DslElementDoc elementDoc, String type, Element parent) {
        if (elementDoc.isDeprecated()) {
            Document document = parent.getOwnerDocument();
            Element caution = document.createElement("caution");
            parent.appendChild(caution);
            Element para = document.createElement("para");