assertTrue(len4.matches('c'));
    assertTrue(len4.matches('d'));
    for (char c = 'e'; c < 'z'; c++) {
      assertFalse(len4.matches(c));
    }

    Random rand = new Random(1234);
    for (int testCase = 0; testCase < 100; testCase++) {
      char[] chars = randomChars(rand, rand.nextInt(63) + 1);
      CharMatcher m = SmallCharMatcher.from(bitSet(chars), new String(chars));

   * NumberFormatException} if the input string is invalid.
   *
   * <p><b>Warning:</b> please see {@link Integer#decode} to understand exactly how strings are
   * parsed. For example, the string {@code "0123"} is treated as <i>octal</i> and converted to the
   * value {@code 83}.
   *
   * @since 16.0
   */
  public static Converter<String, Integer> stringConverter() {
    return IntConverter.INSTANCE;
  }

            34913, 3501, 35029, 20271, 45367, 40479, 36575, 33673, 44192, 3742, 36880, 24382, 20134,
            3146, 31348, 50620, 28096, 37341, 3079, 27687, 2324, 26086, 38322, 35064, 3956, 49552,
            20094, 38453, 2972, 27748, 711, 28342, 3599, 33694, 27735, 51676, 3371, 39854, 23703,
            3373, 46973, 30908, 27807, 3380, 23696, 25973, 30123, 32441, 44760, 8207, 20989, 8236,

  }

  /**
   * Returns a big-endian representation of {@code value} in a 2-element byte array; equivalent to
   * {@code ByteBuffer.allocate(2).putShort(value).array()}. For example, the input value {@code
   * (short) 0x1234} would yield the byte array {@code {0x12, 0x34}}.
   *
   * <p>If you need to convert and concatenate several values (possibly even of different types),
   * use a shared {@link java.nio.ByteBuffer} instance, or use {@link

    X1220,
    X1221,
    X1222,
    X1223,
    X1224,
    X1225,
    X1226,
    X1227,
    X1228,
    X1229,
    X1230,
    X1231,
    X1232,
    X1233,
    X1234,
    X1235,
    X1236,
    X1237,
    X1238,
    X1239,
    X1240,
    X1241,
    X1242,
    X1243,
    X1244,
    X1245,
    X1246,
    X1247,
    X1248,

    X1220,
    X1221,
    X1222,
    X1223,
    X1224,
    X1225,
    X1226,
    X1227,
    X1228,
    X1229,
    X1230,
    X1231,
    X1232,
    X1233,
    X1234,
    X1235,
    X1236,
    X1237,
    X1238,
    X1239,
    X1240,
    X1241,
    X1242,
    X1243,
    X1244,
    X1245,
    X1246,
    X1247,
    X1248,

   * NumberFormatException} if the input string is invalid.
   *
   * <p><b>Warning:</b> please see {@link Long#decode} to understand exactly how strings are parsed.
   * For example, the string {@code "0123"} is treated as <i>octal</i> and converted to the value
   * {@code 83L}.
   *
   * @since 16.0
   */
  public static Converter<String, Long> stringConverter() {
    return LongConverter.INSTANCE;
  }