directoryCache.remove(directoryPath);
                return null;
            }
        }

        return entry;
    }

    /**
     * Check if directory listing can be cached
     *
     * @param directoryPath directory path
     * @return true if caching is allowed
     */
    public boolean canCacheDirectoryListing(String directoryPath) {

        public String getClassifier() {
            return null;
        }

        @Override
        public String getDirectory() {
            return null;
        }

        @Override
        public String getExtension() {
            return "jar";
        }

        @Override
        public String getLanguage() {
            return "none";
        }

        @Override

        String value = joiner.toString();
        if (value.isEmpty()) {
            return new String[0];
        }
        return new String[] {option, value};
    }

    /**
     * {@return a string representation of this path type for debugging purposes}.
     */
    @Override
    public String toString() {
        return "PathType[" + id() + ']';
    }

    /**

    }

    byte[] get() {
        return this.b;
    }

    int length() {
        if (this.b == null) {
            return 0;
        }
        return this.b.length;
    }

    /*
     * (non-Javadoc)
     *
     * @see java.lang.Object#clone()
     */
    @Override
    protected Object clone() throws CloneNotSupportedException {
        return new SecurityBlob(this.b.clone());
    }

     * @return True if there are errors, false otherwise.
     */
    public boolean hasError() {
        return hasError;
    }

    /**
     * Returns the list of errors.
     * @return The list of errors.
     */
    public List<Throwable> getErrors() {
        return errors;
    }

    /**
     * Returns the time taken for the operation.
     * @return The time taken in milliseconds.
     */

     * returned in no particular order.
     *
     * @return an Iterator over the elements in this set.
     * @see ConcurrentModificationException
     */
    @Override
    public Iterator<E> iterator() {
        return map.keySet().iterator();
    }

    /**
     * Returns the number of elements in this set (its cardinality).
     *
     * @return the number of elements in this set (its cardinality).
     */

    //                                                                             =======
    @Override
    public ElevateWordDbm asDBMeta() {
        return ElevateWordDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "elevate_word";
    }

    // ===================================================================================

    /**
     * Gets the name of the file or directory.
     *
     * @return the file or directory name
     */
    String getName();

    /**
     * Gets the type of the entry.
     *
     * @return the entry type
     */
    int getType();

    /**
     * Gets the file attributes.
     *
     * @return the file attributes
     */
    int getAttributes();

    /**

     * @param mode
     *            The mode. Must not be {@literal null}.
     * @return A {@link ByteBuffer} that maps the file channel to memory.
     */
    public static ByteBuffer map(final FileChannel channel, final MapMode mode) {
        assertArgumentNotNull("channel", channel);
        assertArgumentNotNull("mode", mode);

        try {
            return channel.map(mode, 0, channel.size());
        } catch (final IOException e) {

    private TokenStream createTokenStream(final Reader rd) {
        return null;
        /*
         * TODO if (tokenizerFactory instanceof JapaneseTokenizerFactory) { return tokenizerFactory.create(); } else {
         * return null; }
         */
    }

    /**
     * Gets the reading from the attribute.
     * @param stream The token stream.
     * @return The reading from the attribute.
     */