for (AvlNode<E> current = header.succ(); current != header; ) {
        AvlNode<E> next = current.succ();

        current.elemCount = 0;
        // Also clear these fields so that one deleted Entry doesn't retain all elements.
        current.left = null;
        current.right = null;
        current.pred = null;
        current.succ = null;

        current = next;
      }

    int read(byte[] b, int off, int len) throws SmbException;

    /**
     * Current position in file
     *
     * @return current position
     */
    long getFilePointer();

    /**
     * Seek to new position
     *
     * @param pos the new position to seek to
     */
    void seek(long pos);

    /**
     * Get the current file length
     *
     * @return file length

     */
    public void setPageSize(final int pageSize) {
        this.pageSize = pageSize;
    }

    /**
     * Gets the current page number being displayed.
     * If current page number is not set or is invalid, returns the default current page number.
     *
     * @return current page number
     */
    public int getCurrentPageNumber() {
        if (currentPageNumber <= 0) {

    /** Flag indicating whether a previous page exists. */
    protected boolean existPrevPage;

    /** Starting record number for the current page. */
    protected long currentStartRecordNumber;

    /** Ending record number for the current page. */
    protected long currentEndRecordNumber;

    /** List of page numbers for pagination navigation. */
    protected List<String> pageNumberList;

    }

    /**
     * Returns the current page number.
     *
     * @return The current page number.
     */
    public int getCurrentPageNumber() {
        if (currentPageNumber <= 0) {
            currentPageNumber = getDefaultCurrentPageNumber();
        }
        return currentPageNumber;
    }

    /**
     * Sets the current page number.
     *

    }

    /**
     * Gets the current page number.
     * @return The current page number.
     */
    public int getCurrentPageNumber() {
        if (currentPageNumber <= 0) {
            currentPageNumber = getDefaultCurrentPageNumber();
        }
        return currentPageNumber;
    }

    /**
     * Sets the current page number.
     * @param currentPageNumber The current page number.

        id = null;
        roles = null;
        groups = null;
        versionNo = null;

    }

    /**
     * Gets the default current page number.
     *
     * @return the default current page number
     */
    protected int getDefaultCurrentPageNumber() {
        return DEFAULT_CURRENT_PAGE_NUMBER;
    }

    /**
     * Gets the total number of records.

public interface Location {

    /**
     * Return the line number where the current event ends,
     * returns -1 if none is available.
     * @return the current line number
     */
    int getLineNumber();

    /**
     * Return the column number where the current event ends,
     * returns -1 if none is available.
     * @return the current column number
     */
    int getColumnNumber();

    /**

     */
    public void setPageSize(final int pageSize) {
        this.pageSize = pageSize;
    }

    /**
     * Gets the current page number (1-based).
     * If the current page number is not set or is invalid (≤0), returns the default page number.
     *
     * @return the current page number
     */
    public int getCurrentPageNumber() {
        if (currentPageNumber <= 0) {

        String current = getVersion();
        if (current.equals(version) || (version == null && current.isEmpty())) {
            return this;
        }
        return new RelocatedArtifact(artifact, groupId, artifactId, classifier, extension, version, message);
    }

    @Override
    public Artifact setFile(File file) {
        File current = getFile();