import java.io.Serializable;

import static java.util.Objects.requireNonNull;

public abstract class BaseObject implements Serializable, Cloneable {
    protected transient ChildrenTracking childrenTracking;

    protected Object delegate;

    public BaseObject() {}

    public BaseObject(Object delegate, BaseObject parent) {
        this.delegate = requireNonNull(delegate, "delegate cannot be null");

import java.io.Serializable;

import static java.util.Objects.requireNonNull;

public abstract class BaseObject implements Serializable, Cloneable {
    protected transient ChildrenTracking childrenTracking;

    protected Object delegate;

    public BaseObject() {}

    public BaseObject(Object delegate, BaseObject parent) {
        this.delegate = requireNonNull(delegate, "delegate cannot be null");

import java.io.Serializable;

import static java.util.Objects.requireNonNull;

public abstract class BaseObject implements Serializable, Cloneable {
    protected transient ChildrenTracking childrenTracking;

    protected Object delegate;

    public BaseObject() {}

    public BaseObject(Object delegate, BaseObject parent) {
        this.delegate = requireNonNull(delegate, "delegate cannot be null");

import java.io.Serializable;

import static java.util.Objects.requireNonNull;

public abstract class BaseObject implements Serializable, Cloneable, InputLocationTracker {
    protected transient ChildrenTracking childrenTracking;

    protected Object delegate;

    public BaseObject() {}

    public BaseObject(Object delegate, BaseObject parent) {
        this.delegate = requireNonNull(delegate, "delegate cannot be null");

        Model model;
        try (InputStream is = getClass().getResourceAsStream("/xml/pom.xml")) {
            model = new MavenXpp3Reader().read(is);
        }

        // Serialize an inner child here so that the BaseObject.childrenTracking is non null
        Build build = model.getBuild();

        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        try (ObjectOutputStream oos = new ObjectOutputStream(baos)) {