* @param millis
     *            the length of time to sleep in milliseconds
     * @throws InterruptedRuntimeException
     *             if any thread has interrupted the current thread.
     */
    public static void sleep(final long millis) {
        if (millis < 1L) {
            return;
        }
        try {
            Thread.sleep(millis);
        } catch (final InterruptedException e) {

     */
    public void store(final BoostDocumentRule boostDocumentRule) {

        boostDocumentRuleBhv.insertOrUpdate(boostDocumentRule, op -> op.setRefreshPolicy(Constants.TRUE));

    }

    /**
     * Deletes a boost document rule.
     * @param boostDocumentRule The boost document rule to delete.
     */
    public void delete(final BoostDocumentRule boostDocumentRule) {

        return pathMappingBhv.selectByPK(id);
    }

    /**
     * Stores a path mapping.
     *
     * @param pathMapping the path mapping to store
     */
    public void store(final PathMapping pathMapping) {

        pathMappingBhv.insertOrUpdate(pathMapping, op -> {
            op.setRefreshPolicy(Constants.TRUE);
        });

        ComponentUtil.getPathMappingHelper().init();

        return md5.getDigestLength();
    }

    @Override
    protected void engineReset() {
        md5.reset();
        md5.update(ipad);
    }

    @Override
    protected void engineUpdate(final byte b) {
        md5.update(b);
    }

    @Override
    protected void engineUpdate(final byte[] input, final int offset, final int len) {
        md5.update(input, offset, len);

        return this.md5.getDigestLength();
    }

    @Override
    protected void engineReset() {
        this.md5.reset();
        this.md5.update(this.ipad);
    }

    @Override
    protected void engineUpdate(final byte b) {
        this.md5.update(b);
    }

    @Override
    protected void engineUpdate(final byte[] input, final int offset, final int len) {

     * @param values the values to associate with the key
     */
    public void putValues(final String key, final String[] values) {
        metadata.put(key, values);
    }

    /**
     * Puts a single value for a given key in the metadata.
     *
     * @param key the metadata key
     * @param value the value to associate with the key
     */
    public void putValue(final String key, final String value) {

    @J2ktIncompatible
        private void writeObject(ObjectOutputStream stream) throws IOException {
      stream.defaultWriteObject();
      stream.writeObject(factory);
      stream.writeObject(backingMap());
    }

    @GwtIncompatible
    @J2ktIncompatible
        @SuppressWarnings("unchecked") // reading data stored by writeObject

     * @throws Exception
     */
    public void testSerialize() throws Exception {
        final String[] a = new String[] { "1", "2" };
        final String[] b = (String[]) SerializeUtil.serialize(a);
        assertEquals("1", b.length, a.length);
        assertEquals("2", "1", b[0]);
        assertEquals("3", "2", b[1]);
    }

    /**
     * @throws Exception
     */
    public void testObjectAndBinary() throws Exception {

   * @throws BucketOverflowException if this bucket has too many entries, which may indicate a hash
   *     flooding attack
   */
  private static void checkNoConflictInValueBucket(
      Object value, Entry<?, ?> entry, @Nullable ImmutableMapEntry<?, ?> valueBucketHead)
      throws BucketOverflowException {
    int bucketSize = 0;

            }
        }

        public void updateHash(byte[] newHash) {
            synchronized (hashLock) {
                if (newHash != null && newHash.length == currentHash.length) {
                    this.currentHash = newHash.clone();
                }
            }
        }

        public boolean isValid() {
            return isValid;
        }

        public void invalidate() {