import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import org.jspecify.annotations.Nullable;

/**
 * A hash function is a collision-averse pure function that maps an arbitrary block of data to a
 * number called a <i>hash code</i>.
 *
 * <h3>Definition</h3>
 *
 * <p>Unpacking this definition:
 *
 * <ul>
 *   <li><b>block of data:</b> the input for a hash function is always, in concept, an ordered byte

"coi", "da", "dal", "dallo", "dai", "dagli", "dall", "dagl", "dalla", "dalle", "di", "del", "dello", "dei", "degli", "dell", "degl", "della", "delle", "in", "nel", "nello", "nei", "negli", "nell", "negl", "nella", "nelle", "su", "sul", "sullo", "sui", "sugli", "sull", "sugl", "sulla", "sulle", "per", "tra", "contro", "io", "tu", "lui", "lei", "noi", "voi", "loro", "mio", "mia", "miei", "mie", "tuo", "tua", "tuoi", "tue", "suo", "sua", "suoi", "sue", "nostro", "nostra", "nostri", "nostre", "vostro", "vostra",...

"coi", "da", "dal", "dallo", "dai", "dagli", "dall", "dagl", "dalla", "dalle", "di", "del", "dello", "dei", "degli", "dell", "degl", "della", "delle", "in", "nel", "nello", "nei", "negli", "nell", "negl", "nella", "nelle", "su", "sul", "sullo", "sui", "sugli", "sull", "sugl", "sulla", "sulle", "per", "tra", "contro", "io", "tu", "lui", "lei", "noi", "voi", "loro", "mio", "mia", "miei", "mie", "tuo", "tua", "tuoi", "tue", "suo", "sua", "suoi", "sue", "nostro", "nostra", "nostri", "nostre", "vostro", "vostra",...

        final String content = msExcelExtractor.getText(in, null).getContent();
        CloseableUtil.closeQuietly(in);
        logger.info(content);
        assertTrue(content.contains("テスト"));
    }

    public void test_getText_null() {
        try {
            msExcelExtractor.getText(null, null);
            fail();
        } catch (final CrawlerSystemException e) {
            // NOP

        final String content = msPowerPointExtractor.getText(in, null).getContent();
        CloseableUtil.closeQuietly(in);
        logger.info(content);
        assertTrue(content.contains("テスト"));
    }

    public void test_getText_null() {
        try {
            msPowerPointExtractor.getText(null, null);
            fail();
        } catch (final CrawlerSystemException e) {
            // NOP

     * @return The extracted data.
     */
    @Override
    public ExtractData getText(final InputStream in, final Map<String, String> params) {
        if (in == null) {
            throw new CrawlerSystemException("Microsoft Visio input stream is null. Cannot extract text from null input.");
        }
        try {
            @SuppressWarnings("resource")
            final VisioTextExtractor visioTextExtractor = new VisioTextExtractor(in);

  public void testEquals_otherListContainingNull() {
    List<E> other = new ArrayList<>(getSampleElements());
    other.set(other.size() / 2, null);
    assertFalse(
        "Two Lists should not be equal if exactly one of them has null at a given index.",
        getList().equals(other));
  }

  @CollectionSize.Require(absent = CollectionSize.ZERO)
  @CollectionFeature.Require(ALLOWS_NULL_VALUES)

 *       typically because the type forbids nullable type arguments: For example, {@code
 *       ImmutableList.get} returns {@code E}, but that value is never {@code null}. (Accordingly,
 *       {@code ImmutableList} is declared to forbid {@code ImmutableList<@Nullable String>}.)
 *   <li>methods whose return type is a type variable but which can return {@code null} regardless

  public void testCount_nullAbsent() {
    assertEquals("multiset.count(null) didn't return 0", 0, getMultiset().count(null));
  }

  @CollectionFeature.Require(absent = ALLOWS_NULL_QUERIES)
  public void testCount_null_forbidden() {
    assertThrows(NullPointerException.class, () -> getMultiset().count(null));
  }

  @CollectionSize.Require(absent = ZERO)
  @CollectionFeature.Require(ALLOWS_NULL_VALUES)

 *       typically because the type forbids nullable type arguments: For example, {@code
 *       ImmutableList.get} returns {@code E}, but that value is never {@code null}. (Accordingly,
 *       {@code ImmutableList} is declared to forbid {@code ImmutableList<@Nullable String>}.)
 *   <li>methods whose return type is a type variable but which can return {@code null} regardless