return first;
    }

    /**
     * Removes the last element.
     *
     * @return the last element
     */
    public E removeLast() {
        if (isEmpty()) {
            throw new NoSuchElementException();
        }
        final E last = header.previous.element;
        header.previous.remove();
        return last;
    }

    /**
     * Adds an element at the beginning.

     * First fragment flag - indicates first fragment of a multi-fragment message
     */
    int DCERPC_FIRST_FRAG = 0x01; /* First fragment */
    /**
     * Last fragment flag - indicates last fragment of a multi-fragment message
     */
    int DCERPC_LAST_FRAG = 0x02; /* Last fragment */
    /**
     * Pending cancel flag - indicates cancel was pending at sender
     */
    int DCERPC_PENDING_CANCEL = 0x04; /* Cancel was pending at sender */

     *
     * @return establishment time in milliseconds
     */
    public long getEstablishedTime() {
        return establishedTime;
    }

    /**
     * Get the last activity time
     *
     * @return last activity time in milliseconds
     */
    public long getLastActivityTime() {
        return lastActivityTime;
    }

    /**
     * Update activity timestamp
     */

     * @see org.codelibs.fess.crawler.entity.Sitemap#getLastmod()
     */
    @Override
    public String getLastmod() {
        return lastmod;
    }

    /**
     * Sets the last modification time of the sitemap.
     * @param lastmod the last modification time in W3C Datetime format
     */
    public void setLastmod(final String lastmod) {
        this.lastmod = lastmod;
    }

    /**

    /** Unique identifier for the related query entry */
    @Required
    @Size(max = 1000)
    public String id;

    /** Username of the user who last updated this entry */
    @Size(max = 1000)
    public String updatedBy;

    /** Timestamp when this entry was last updated */
    @ValidateTypeFailure
    public Long updatedTime;

    /** Version number for optimistic locking */
    @Required
    @ValidateTypeFailure

                last = current++;
                return n;
            } catch (final IndexOutOfBoundsException e) {
                throw new NoSuchElementException("current=" + current);
            }
        }

        @Override
        public void remove() {
            assertState(last != -1, "last == -1");
            ArrayMap.this.removeAt(last);
            if (last < current) {

    void setDepth(Integer depth);

    /**
     * Returns the last modified timestamp of the URL in the queue.
     *
     * @return the last modified timestamp as a Long value.
     */
    Long getLastModified();

    /**
     * Sets the last modified timestamp for the URL queue entry.
     *
     * @param lastModified the timestamp of the last modification in milliseconds since epoch.
     */

     * Returns the size of the item in bytes.
     *
     * @return the item size
     */
    public long getSize() {
        return size;
    }

    /**
     * Returns the last modified timestamp.
     *
     * @return the last modified timestamp
     */
    public ZonedDateTime getLastModified() {
        return lastModified;
    }

    /**
     * Returns the base64-encoded ID of the item.
     *

        int data1 = bb.getInt(); // first 4 bytes (little-endian)
        short data2 = bb.getShort(); // next 2 bytes (little-endian)
        short data3 = bb.getShort(); // next 2 bytes (little-endian)

        // The last 8 bytes are read as big-endian (network byte order for the high/low parts)
        ByteBuffer bb2 = ByteBuffer.wrap(bytes, 8, 8).order(java.nio.ByteOrder.BIG_ENDIAN);
        long data4 = bb2.getLong();

    @Required
    @Size(max = 1000)
    public String id;

    /**
     * The username of the user who last updated this label type.
     * Used for audit trail purposes to track who made changes.
     */
    @Size(max = 1000)
    public String updatedBy;

    /**
     * The timestamp when this label type was last updated.
     * Stored as a long value representing milliseconds since epoch.