private final boolean alphabetic;

    private final boolean digit;

    private final boolean letter;

    public CharTypeFilterFactory(final IndexSettings indexSettings, final Environment environment, final String name,
            final Settings settings) {
        super(indexSettings, name, settings);

        alphabetic = settings.getAsBoolean("alphabetic", true);

   */
  public static char toUpperCase(char c) {
    return isLowerCase(c) ? (char) (c ^ CASE_MASK) : c;
  }

  /**
   * Indicates whether {@code c} is one of the twenty-six lowercase ASCII alphabetic characters
   * between {@code 'a'} and {@code 'z'} inclusive. All others (including non-ASCII characters)
   * return {@code false}.
   */
  public static boolean isLowerCase(char c) {

    // Compare to: "\u00c1".equalsIgnoreCase("\u00e1") == true
    assertFalse(Ascii.equalsIgnoreCase("\u00c1", "\u00e1"));
    // Test chars just outside the alphabetic range ('A'-1 vs 'a'-1, 'Z'+1 vs 'z'+1)
    assertFalse(Ascii.equalsIgnoreCase("@", "`"));
    assertFalse(Ascii.equalsIgnoreCase("[", "{"));
  }

  @GwtIncompatible // String.toUpperCase() has browser semantics

    // Compare to: "\u00c1".equalsIgnoreCase("\u00e1") == true
    assertFalse(Ascii.equalsIgnoreCase("\u00c1", "\u00e1"));
    // Test chars just outside the alphabetic range ('A'-1 vs 'a'-1, 'Z'+1 vs 'z'+1)
    assertFalse(Ascii.equalsIgnoreCase("@", "`"));
    assertFalse(Ascii.equalsIgnoreCase("[", "{"));
  }

  @GwtIncompatible // String.toUpperCase() has browser semantics

        suggestJob.execute();

        assertNotNull(suggestJob.sessionId);
        assertEquals(15, suggestJob.sessionId.length());
        // Check that session ID contains only alphabetic characters
        assertTrue(suggestJob.sessionId.matches("[a-zA-Z]+"));
    }

    // Test command list construction with target classes directory
    public void test_executeSuggestCreator_withTargetClassesDir() {

        for (int i = 0; i < text.length();) {
            String[] alphabets;
            if (i + 1 < text.length() && convertMap.get(text.substring(i, i + 2)) != null) {
                alphabets = convertMap.get(text.substring(i, i + 2));
                i += 2;
            } else {
                if (convertMap.get(text.substring(i, i + 1)) != null) {
                    alphabets = convertMap.get(text.substring(i, i + 1));
                } else {

		panic("Negative length passed to DummyDataGen!")
	}
	if skipOffset < 0 {
		panic("Negative rotations are not allowed")
	}

	skipOffset %= int64(len(alphabets))
	const multiply = 100
	as := bytes.Repeat(alphabets, multiply)
	b := as[skipOffset : skipOffset+int64(len(alphabets)*(multiply-1))]
	return &DummyDataGen{
		length: totalLength,
		b:      b,
	}
}

func (d *DummyDataGen) Read(b []byte) (n int, err error) {

            block = (bytes[i++] & 0xff) << 16 | (bytes[i++] & 0xff) << 8 | bytes[i++] & 0xff;
            buffer.append(ALPHABET.charAt(block >>> 18));
            buffer.append(ALPHABET.charAt(block >>> 12 & 0x3f));
            buffer.append(ALPHABET.charAt(block >>> 6 & 0x3f));
            buffer.append(ALPHABET.charAt(block & 0x3f));
        }
        if (remainder == 0) {
            return buffer.toString();
        }

    EnumBiMap<Currency, Country> bimap = EnumBiMap.create(Currency.class, Country.class);
    assertEquals(Country.class, bimap.valueType());
  }

  public void testIterationOrder() {
    // The enum orderings are alphabetical, leading to the bimap and its inverse
    // having inconsistent iteration orderings.
    Map<Currency, Country> map =
        ImmutableMap.of(
            Currency.DOLLAR, Country.CANADA,

    EnumBiMap<Currency, Country> bimap = EnumBiMap.create(Currency.class, Country.class);
    assertEquals(Country.class, bimap.valueType());
  }

  public void testIterationOrder() {
    // The enum orderings are alphabetical, leading to the bimap and its inverse
    // having inconsistent iteration orderings.
    Map<Currency, Country> map =
        ImmutableMap.of(
            Currency.DOLLAR, Country.CANADA,