void nullDelegate_throwsNPE() throws Exception {
            SmbFile parent = newParent();
            assertThrows(NullPointerException.class, () -> new ShareEnumIterator(parent, null, null));
        }

        @Test
        @DisplayName("Null parent with non-empty iterator causes NullPointerException during adapt")
        void nullParent_throwsNPE() {

  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>org.apache.maven.validation</groupId>
    <artifactId>parent</artifactId>
    <version>1</version>
  </parent>

  <groupId>org.apache.maven.validation</groupId>
  <artifactId>project</artifactId>
  <version>1.0.0-SNAPSHOT</version>

  <properties>

        Model parent = getModel(baseName + "-parent");

        Model child = getModel(baseName + "-child");

        if (fromRepo) {
            // when model is read from repo, a stream is used, then pomFile == null
            // (has consequences in inheritance algorithm since getProjectDirectory() returns null)
            parent = parent.clone();
            parent.setPomFile(null);

    private final SmbResource parent;
    private final String wildcard;
    private final int searchAttributes;
    private FileEntry next;
    private int ridx;

    private boolean closed = false;

    /**
     * Creates a directory entry enumeration iterator.
     *
     * @param th the SMB tree handle for the connection
     * @param parent the parent resource being enumerated

    private Smb2QueryDirectoryResponse response;

    /**
     * Creates a directory entry enumeration iterator for SMB2 protocol.
     *
     * @param th the SMB tree handle for the connection
     * @param parent the parent resource being enumerated
     * @param wildcard the wildcard pattern for filtering entries
     * @param filter additional resource name filter to apply
     * @param searchAttributes the file attributes to search for

    }

    public void mergeContent(ClassDoc classDoc, Element parent) {
        listener.start(String.format("class %s", classDoc.getName()));
        try {
            Element chapter = parent.getOwnerDocument().createElement("chapter");
            parent.appendChild(chapter);
            chapter.setAttribute("id", classDoc.getId());

                        dependency.getVersion(),
                        false,
                        false);
            }

            Parent parent = project.getModel().getDelegate().getParent();

            if (parent != null) {
                // Parent is added as an edge, but must not cause a cycle - so we remove any other edges it has
                // in conflict
                addEdge(

     *            if enumeration fails
     */
    public NetServerEnumIterator(final SmbFile parent, final SmbTreeHandleImpl th, final String wildcard, final int searchAttributes,
            final ResourceNameFilter filter) throws CIFSException {
        this.parent = parent;
        this.nameFilter = filter;
        final SmbResourceLocator locator = parent.getLocator();
        this.workgroup = locator.getType() == SmbConstants.TYPE_WORKGROUP;

    public BaseObject(Object delegate, BaseObject parent) {
        this.delegate = requireNonNull(delegate, "delegate cannot be null");
        this.childrenTracking = parent != null ? parent::replace : null;
    }

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

    public Object getDelegate() {

        this.type = type;
        this.parent = parent;
        this.parentImports = parentImports;
        this.foreignImports = foreignImports;
        this.constituents = constituents;
    }

    @Override
    public RealmType getType() {
        return type;
    }

    @Override
    public ClassLoader getParent() {
        return parent;
    }

    @Override