*/
    protected synchronized void doClose() throws CIFSException {
        // otherwise already closed
        if (!this.closed) {
            this.closed = true;
            try {
                doCloseInternal();
            } finally {
                this.next = null;
                this.treeHandle.release();
            }
        }
    }

    /**

                return staticPages.get(pageIdx);
            }
            return new FileEntry[0];
        }

        @Override
        protected void doCloseInternal() throws CIFSException {
            if (throwOnCloseInternal)
                throw new CIFSException("closeInternal fail");
        }
    }

    @Mock
    SmbTreeHandleImpl tree;
    @Mock

    }

    /**
     * Performs internal closing operations for SMB2 enumeration.
     *
     * @throws CIFSException if an error occurs during closing
     */
    @Override
    protected void doCloseInternal() throws CIFSException {
        try {
            @SuppressWarnings("resource")
            final SmbTreeHandleImpl th = getTreeHandle();
            if (this.fileId != null && th.isConnected()) {

     */
    @Override
    protected boolean isDone() {
        return this.response.isEndOfSearch();
    }

    /**
     * @throws CIFSException
     */
    @Override
    protected void doCloseInternal() throws CIFSException {
        try {
            @SuppressWarnings("resource")
            final SmbTreeHandleImpl th = getTreeHandle();
            if (this.response != null) {

        // After last element, hasNext should be false and calling close() should send Smb2CloseRequest once
        assertFalse(it.hasNext(), "Iterator should be exhausted");

        // Close explicitly to exercise doCloseInternal
        it.close();

        // Verify interactions: one create, two additional directory queries (for fetchMore), one close
        verify(tree, times(1)).send(argThat((Request<?> r) -> r instanceof Smb2CreateRequest));