"truncate20_filter",
            "lowercase",
            "arabic_stop",
            "arabic_normalization",
            "arabic_keywords",
            "arabic_override",
            "arabic_stemmer"
          ]
        },
        "armenian_analyzer": {
          "tokenizer":  "standard",
          "filter": [
            "truncate20_filter",
            "lowercase",
            "armenian_stop",

  }

  /**
   * If the argument is a {@linkplain #isLowerCase(char) lowercase ASCII character}, returns the
   * uppercase equivalent. Otherwise returns the argument.
   */
  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

    }

    Alphabet lowerCase() {
      if (!hasUpperCase()) {
        return this;
      }
      checkState(!hasLowerCase(), "Cannot call lowerCase() on a mixed-case alphabet");
      char[] lowerCased = new char[chars.length];
      for (int i = 0; i < chars.length; i++) {
        lowerCased[i] = Ascii.toLowerCase(chars[i]);
      }
      Alphabet lowerCase = new Alphabet(name + ".lowerCase()", lowerCased);

    }

    /**
     * Converts value to lowercase if lowercase wildcard is enabled.
     *
     * @param value the value to convert
     * @return the converted value
     */
    protected String toLowercaseWildcard(final String value) {
        if (lowercaseWildcard) {
            return value.toLowerCase(Locale.ROOT);
        }
        return value;
    }

    /**

  private static final String UPPER = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";

  public void testToLowerCase() {
    assertEquals(LOWER, Ascii.toLowerCase(UPPER));
    assertSame(LOWER, Ascii.toLowerCase(LOWER));
    assertEquals(IGNORED, Ascii.toLowerCase(IGNORED));
    assertEquals("foobar", Ascii.toLowerCase("fOobaR"));
  }

  public void testToUpperCase() {
    assertEquals(UPPER, Ascii.toUpperCase(LOWER));

        }
        encodingMap.put(toLowerCase(source), target);
    }

    /**
     * Converts the given encoding string to lowercase.
     * @param enc The encoding string.
     * @return The lowercase encoding string.
     */
    protected String toLowerCase(final String enc) {
        return enc.toLowerCase(Locale.ROOT);
    }

    assertThat(base16().upperCase()).isSameInstanceAs(base16());
  }

  public void testBase16LowerCase() {
    BaseEncoding lowerCase = base16().lowerCase();
    assertThat(lowerCase).isNotSameInstanceAs(base16());
    assertThat(lowerCase).isSameInstanceAs(base16().lowerCase());
    testEncodingWithCasing(lowerCase, "foobar", "666f6f626172");
  }

  public void testBase16IgnoreCase() {
    BaseEncoding ignoreCase = base16().ignoreCase();

        if (map != null) {
            final String[] queries = map.get(toLowerCase(query));
            if (queries != null) {
                return queries;
            }
        }
        return StringUtil.EMPTY_STRINGS;
    }

    private String toLowerCase(final String term) {
        return term != null ? term.toLowerCase(Locale.ROOT) : term;
    }

            assertEquals(TIME_HI_AND_VERSION, uuid.time_hi_and_version,
                    "time_hi_and_version should be parsed correctly with lowercase hex");
            assertEquals(CLOCK_SEQ_HI_AND_RESERVED, uuid.clock_seq_hi_and_reserved,
                    "clock_seq_hi_and_reserved should be parsed correctly with lowercase hex");

    /**
     * Converts a wildcard value to lowercase if configured to do so.
     *
     * @param value The wildcard value to potentially convert
     * @return The value in lowercase if lowercaseWildcard is true, otherwise the original value
     */
    protected String toLowercaseWildcard(final String value) {
        if (lowercaseWildcard) {
            return value.toLowerCase(Locale.ROOT);
        }
        return value;