}
  }

  /**
   * Called for each line found in the character data passed to {@link #add}.
   *
   * @param line a line of text (possibly empty), without any line separators
   * @param end the line separator; one of {@code "\r"}, {@code "\n"}, {@code "\r\n"}, or {@code ""}
   * @throws IOException if an I/O error occurs
   */
  protected abstract void handleLine(String line, String end) throws IOException;

     */
    public static String normalize(final String s) {
        return normalize(s, LocaleUtil.getDefault());
    }

    /**
     * Normalizes the string representation of a number by removing grouping separators
     * and representing the decimal point with '.'.
     *
     * @param s
     *            A string representing a number
     * @param locale
     *            The locale. Must not be {@literal null}.

      return "Funnels.integerFunnel()";
    }
  }

  /**
   * Returns a funnel that processes an {@code Iterable} by funneling its elements in iteration
   * order with the specified funnel. No separators are added between the elements.
   *
   * @since 15.0
   */
  public static <E extends @Nullable Object> Funnel<Iterable<? extends E>> sequentialFunnel(
      Funnel<E> elementFunnel) {

     *
     * @param expected the option value expected by the test
     * @return the expected value with separators of the host
     */
    private static String toPlatformSpecific(String expected) {
        return expected.replace("/", File.separator).replace(":", File.pathSeparator);
    }

    /**
     * Tests the formatting of an option without module name.
     */
    @Test

     *   <li>Other sources may not support resolution and return null</li>
     * </ul>
     * <p>
     * The implementation must handle:
     * <ul>
     *   <li>Both forward and back slashes as path separators</li>
     *   <li>Parent directory references (..)</li>
     *   <li>Both file and directory targets</li>
     * </ul>
     *
     * @param relative path to resolve relative to this source

    // deal with camel conversion
    StringBuilder out = null;
    int i = 0;
    int j = -1;
    while ((j = wordBoundary.indexIn(s, ++j)) != -1) {
      if (i == 0) {
        // include some extra space for separators
        out = new StringBuilder(s.length() + 4 * format.wordSeparator.length());
        out.append(format.normalizeFirstWord(s.substring(i, j)));
      } else {

    // deal with camel conversion
    StringBuilder out = null;
    int i = 0;
    int j = -1;
    while ((j = wordBoundary.indexIn(s, ++j)) != -1) {
      if (i == 0) {
        // include some extra space for separators
        out = new StringBuilder(s.length() + 4 * format.wordSeparator.length());
        out.append(format.normalizeFirstWord(s.substring(i, j)));
      } else {

   * Additionally, the escaper escapes the slash character ("/"). While slashes are acceptable in
   * URL paths, they are considered by the specification to be separators between "path segments."
   * This implies that, if you wish for your path to contain slashes, you must escape each segment
   * separately and then join them.
   *
   * <p>When escaping a String, the following rules apply:

	// The extended form disables evaluation of . and .. path
	// elements and disables the interpretation of / as equivalent
	// to \. The conversion here rewrites / to \ and elides
	// . elements as well as trailing or duplicate separators. For
	// simplicity it avoids the conversion entirely for relative
	// paths or paths containing .. elements. For now,
	// \\server\share paths are not converted to

    String separator = System.getProperty("line.separator");
    sink.writeLines(lines);

    assertContainsExpectedLines(separator);
  }

  public void testWriteLines_specificSeparator() throws IOException {
    String separator = "\r\n";
    sink.writeLines(lines, separator);

    assertContainsExpectedLines(separator);
  }