try {
                if (item == null || item.getId() != oldItem.getId() || !item.isUpdated()) {
                    writer.write(oldItem.toLineString());
                    writer.write(Constants.LINE_SEPARATOR);
                    return oldItem;
                }
                if (!item.equals(oldItem)) {
                    throw new DictionaryException("Stopwords file was updated: old=" + oldItem + " : new=" + item);

            try {
                if (item == null || item.getId() != oldItem.getId() || !item.isUpdated()) {
                    writer.write(oldItem.toLineString());
                    writer.write(Constants.LINE_SEPARATOR);
                    return oldItem;
                }
                if (!item.equals(oldItem)) {

         assertEquals(3, itemList3.size());

         assertEquals(
                 "b1,b2=>B1" + Constants.LINE_SEPARATOR + "c1=>C1,C2"
                         + Constants.LINE_SEPARATOR + "X1,x1"
                         + Constants.LINE_SEPARATOR,
                 new String(FileUtil.getBytes(file1), Constants.UTF_8));
     }
     */

            try {
                if (item == null || item.getId() != oldItem.getId() || !item.isUpdated()) {
                    writer.write(oldItem.toLineString());
                    writer.write(Constants.LINE_SEPARATOR);
                    return oldItem;
                }
                if (!item.equals(oldItem)) {
                    throw new DictionaryException("Synonym file was updated: old=" + oldItem + " : new=" + item);

        final PagingList<KuromojiItem> itemList3 = kuromojiFile.selectList(0,
                20);
        assertEquals(1, itemList3.size());

        assertEquals("token2,seg2,reading2,pos2" + Constants.LINE_SEPARATOR,
                new String(FileUtil.getBytes(file1), Constants.UTF_8));

    }
    */

    /**
     * <code>line.separator</code> system property. For example, on Mac OS X: <code>"\n"</code>
     */
    public static final String LINE_SEPARATOR = System.getProperty("line.separator");

    /**
     * <code>path.separator</code> system property. For example, on Mac OS X: <code>":"</code>
     */

  /** File separator ("/" on UNIX). */
  FILE_SEPARATOR("file.separator"),

  /** Path separator (":" on UNIX). */
  PATH_SEPARATOR("path.separator"),

  /** Line separator ("\n" on UNIX). */
  LINE_SEPARATOR("line.separator"),

  /** User's account name. */
  USER_NAME("user.name"),

  /** User's home directory. */
  USER_HOME("user.home"),

  /** User's current working directory. */

  public static CharMatcher javaIsoControl() {
    return JavaIsoControl.INSTANCE;
  }

  /**
   * Determines whether a character is invisible; that is, if its Unicode category is any of
   * SPACE_SEPARATOR, LINE_SEPARATOR, PARAGRAPH_SEPARATOR, CONTROL, FORMAT, SURROGATE, and
   * PRIVATE_USE according to ICU4J.
   *
   * <p>See also the Unicode Default_Ignorable_Code_Point property (available via ICU).
   *