}

  @SuppressWarnings("deprecation") // intentionally testing apply() method
  private void reallyTestOneCharMatch(CharMatcher matcher, String s) {
    assertTrue(matcher.matches(s.charAt(0)));
    assertTrue(matcher.apply(s.charAt(0)));
    assertEquals(0, matcher.indexIn(s));
    assertEquals(0, matcher.indexIn(s, 0));
    assertEquals(-1, matcher.indexIn(s, 1));
    assertEquals(0, matcher.lastIndexIn(s));

      new Function<@Nullable String, @Nullable Character>() {
        @Override
        public @Nullable Character apply(@Nullable String input) {
          return input == null ? null : input.charAt(0);
        }
      };

  @Override
  protected Table<String, Integer, Character> create(@Nullable Object... data) {
    Table<String, Integer, String> table = HashBasedTable.create();

                } else if (idx == 0) {
                    result = result.substring(3);
                    continue;
                }
                int parent = idx - 1;
                while (parent >= 0 && result.charAt(parent) == '/') {
                    parent--;
                }
                parent = result.lastIndexOf('/', parent);
                if (parent < 0) {
                    result = result.substring(idx + 4);

                if (banned.indexOf(string.charAt(i)) >= 0) {
                    addViolation(
                            problems,
                            severity,
                            fieldName,
                            sourceHint,
                            "must not contain any of these characters " + banned + " but found " + string.charAt(i));
                    return false;
                }

        }

        char c;
        final int len = value.length();
        final StringBuilder buf = new StringBuilder(len * 2);

        for (int i = 0; i < len; i++) {
            c = value.charAt(i);
            switch (c) {
            case '\\':
            case '"':
                buf.append('\\');
                buf.append(c);
                break;
            case '/':

        final char groupingSep = symbols.getGroupingSeparator();
        final StringBuilder buf = new StringBuilder(20);
        for (int i = 0; i < s.length(); ++i) {
            char c = s.charAt(i);
            if (c == groupingSep) {
                continue;
            } else if (c == decimalSep) {
                c = '.';
            }
            buf.append(c);
        }

      new Function<@Nullable String, @Nullable Character>() {
        @Override
        public @Nullable Character apply(@Nullable String input) {
          return input == null ? null : input.charAt(0);
        }
      };

  @Override
  protected Table<String, Integer, Character> create(@Nullable Object... data) {
    Table<String, Integer, String> table = HashBasedTable.create();

aa: Afaraf
ab: аҧсуа бызшәа
ae: avesta
af: Afrikaans
ak: Akan
am: አማርኛ
an: aragonés
ar: اللغة العربية
as: অসমীয়া
av: авар мацӀ
ay: aymar aru
az: azərbaycan dili
ba: башҡорт теле
be: беларуская мова
bg: български език
bh: भोजपुरी
bi: Bislama
bm: bamanankan
bn: বাংলা
bo: བོད་ཡིག
br: brezhoneg
bs: bosanski jezik
ca: Català
ce: нохчийн мотт
ch: Chamoru
co: corsu
cr: ᓀᐦᐃᔭᐍᐏᐣ
cs: čeština

    }
  }

  private static class DontStringMeBro implements CharSequence {
    @Override
    public int length() {
      return 3;
    }

    @Override
    public char charAt(int index) {
      return "foo".charAt(index);
    }

    @Override
    public CharSequence subSequence(int start, int end) {
      return "foo".subSequence(start, end);
    }

    @Override

        }
        String item = list.get(index).trim();
        if (StringUtil.isBlank(item)) {
            return StringUtil.EMPTY;
        }
        if (item.length() > 1 && item.charAt(0) == '"' && item.charAt(item.length() - 1) == '"') {
            item = item.substring(1, item.length() - 1);
        }
        return item;
    }