// Encode "TEST" (0x54 0x45 0x53 0x54)
        // T=0x54: upper nibble 0x5->F(0x46), lower nibble 0x4->E(0x45)
        src[1] = 'F';
        src[2] = 'E'; // T
        // E=0x45: upper nibble 0x4->E(0x45), lower nibble 0x5->F(0x46)
        src[3] = 'E';
        src[4] = 'F'; // E
        // S=0x53: upper nibble 0x5->F(0x46), lower nibble 0x3->D(0x44)
        src[5] = 'F';
        src[6] = 'D'; // S

                    if (lower == null || upper == null || lower.compareTo(upper) != 0) {
                        restrictions.add(new Restriction(lower, lowerInclusive, upper, upperInclusive));
                    } else if (lowerInclusive && upperInclusive) {
                        restrictions.add(new Restriction(lower, lowerInclusive, upper, upperInclusive));
                    }

        assertEquals("みかん ﾘﾝｺﾞ", normalizer.normalize("みかん　リンゴ", null));
    }

    public void test_AnyLower() {
        ICUNormalizer normalizer = new ICUNormalizer("Any-Lower");
        assertEquals("abcd", normalizer.normalize("ABCD", null));
    }

    public void test_HalfwidthFullwidth() {
        ICUNormalizer normalizer = new ICUNormalizer("Halfwidth-Fullwidth");

 * extract additional metadata, or perform other transformations during the
 * indexing process.
 *
 * Ingesters are processed in priority order, with lower numbers having higher priority.
 */
public abstract class Ingester {

    /** Priority of this ingester (lower numbers = higher priority) */
    protected int priority = 99;

    /**
     * Default constructor.
     */
    public Ingester() {

  }

  @Override
  public @Nullable E lower(E element) {
    return forward.higher(element);
  }

  @Override
  public @Nullable E floor(E element) {
    return forward.ceiling(element);
  }

  @Override
  public @Nullable E ceiling(E element) {
    return forward.floor(element);
  }

  @Override
  public @Nullable E higher(E element) {
    return forward.lower(element);
  }

  @Override

		between the lower and upper bound specified by the Range Query. Range
		Queries can be inclusive or exclusive of the upper and lower bounds.
		If you want to find documents whose content_length fields have values
		between 1000 and 10000, inclusive, you can enter:
		<pre>content_length:[1000 TO 10000]</pre>
		If you want to exclude the upper and lower bounds, use "{}".
	</dd>
	<dt>Boost</dt>
	<dd>

       * firstComplementRangeLowerBound is the first complement range lower bound inside
       * complementLowerBoundWindow. Complement range lower bounds are either positive range upper
       * bounds, or Cut.belowAll().
       *
       * positiveItr starts at the first positive range with lower bound greater than
       * firstComplementRangeLowerBound. (Positive range lower bounds correspond to complement range
       * upper bounds.)

 * The factory maintains a sorted collection of ingesters based on their priority
 * and provides methods to add new ingesters and retrieve the current collection.
 *
 * Ingesters are automatically sorted by priority, with lower numbers having higher priority.
 */
public class IngestFactory {
    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(IngestFactory.class);

    }

    @Override
    public BaseEncoding lowerCase() {
      BaseEncoding result = lowerCase;
      if (result == null) {
        Alphabet lower = alphabet.lowerCase();
        result = lowerCase = (lower == alphabet) ? this : newInstance(lower, paddingChar);
      }
      return result;
    }

    @Override
    public BaseEncoding ignoreCase() {
      BaseEncoding result = ignoreCase;

  }

  @Override
  public @Nullable E lower(E element) {
    return forward.higher(element);
  }

  @Override
  public @Nullable E floor(E element) {
    return forward.ceiling(element);
  }

  @Override
  public @Nullable E ceiling(E element) {
    return forward.floor(element);
  }

  @Override
  public @Nullable E higher(E element) {
    return forward.lower(element);
  }

  @Override