assertEquals(6, NbtAddress.UNKNOWN_MAC_ADDRESS.length);
    }

    @Test
    void testConstantsAreImmutable() {
        // Ensure constants are properly defined as final
        // This test just verifies the constants exist and are accessible
        String anyHosts = NbtAddress.ANY_HOSTS_NAME;
        String masterBrowser = NbtAddress.MASTER_BROWSER_NAME;

import java.util.Random;
import org.jspecify.annotations.NullUnmarked;

/** Returns a random portion of the requested bytes on each call. */
@NullUnmarked
class RandomAmountInputStream extends FilterInputStream {
  private final Random random;

  public RandomAmountInputStream(InputStream in, Random random) {
    super(checkNotNull(in));
    this.random = checkNotNull(random);
  }

  @Override

import java.io.IOException;
import java.io.InputStreamReader;
import org.jspecify.annotations.NullUnmarked;

/**
 * @author Colin Decker
 */
@NullUnmarked
public class TestReader extends FilterReader {

  private final TestInputStream in;

  public TestReader(TestOption... options) throws IOException {
    this(new TestInputStream(new ByteArrayInputStream(new byte[10]), options));
  }

  public TestReader(TestInputStream in) {

        return ScheduledJobDbm.getInstance();
    }

    @Override
    protected <RESULT extends ScheduledJob> RESULT createEntity(Map<String, Object> source, Class<? extends RESULT> entityType) {
        try {
            final RESULT result = entityType.newInstance();
            result.setAvailable(DfTypeUtil.toBoolean(source.get("available")));
            result.setCrawler(DfTypeUtil.toBoolean(source.get("crawler")));

        }
        return difference(multiset1, multiset2);
      }
    };
  }

  private static final ImmutableMultiset<String> ELEMENTS_TO_FILTER_OUT =
      ImmutableMultiset.of("foobar", "bazfoo", "foobar", "foobar");

  private static final Predicate<String> PREDICATE = not(Predicates.in(ELEMENTS_TO_FILTER_OUT));

  private static TestStringMultisetGenerator filteredGenerator() {

        }
    }

    @Test
    public void test_class_isFinal() {
        // Verify that KuromojiCSVUtil is a final class
        assertTrue("KuromojiCSVUtil should be final class", java.lang.reflect.Modifier.isFinal(KuromojiCSVUtil.class.getModifiers()));
    }

    @Test
    public void test_static_method_signatures() {

    IllegalStateException expected =
        assertThrows(IllegalStateException.class, () -> checkState(false, FORMAT, 5));
    verifyComplexMessage(expected);
  }

  private static final String NON_NULL_STRING = "foo";

  public void testCheckNotNull_simple_success() {
    String result = checkNotNull(NON_NULL_STRING);
    assertThat(result).isSameInstanceAs(NON_NULL_STRING);
  }

    IllegalStateException expected =
        assertThrows(IllegalStateException.class, () -> checkState(false, FORMAT, 5));
    verifyComplexMessage(expected);
  }

  private static final String NON_NULL_STRING = "foo";

  public void testCheckNotNull_simple_success() {
    String result = checkNotNull(NON_NULL_STRING);
    assertThat(result).isSameInstanceAs(NON_NULL_STRING);
  }

      SUPPORTS_REMOVE_WITH_INDEX),

  /** Features supported by lists where only removal is allowed. */
  REMOVE_OPERATIONS(CollectionFeature.REMOVE_OPERATIONS, SUPPORTS_REMOVE_WITH_INDEX);

  private final Set<Feature<? super List>> implied;

  ListFeature(Feature<? super List>... implied) {
    this.implied = copyToSet(implied);
  }

  @Override
  public Set<Feature<? super List>> getImpliedFeatures() {

import java.util.Set;

/**
 * An implementation of {@link NetworkConnections} for undirected networks.
 *
 * @author James Sexton
 * @param <N> Node parameter type
 * @param <E> Edge parameter type
 */
final class UndirectedNetworkConnections<N, E> extends AbstractUndirectedNetworkConnections<N, E> {

  UndirectedNetworkConnections(Map<E, N> incidentEdgeMap) {
    super(incidentEdgeMap);
  }