public int compare(Comparable<?> left, Comparable<?> right) {
    checkNotNull(left); // for GWT
    checkNotNull(right);
    return ((Comparable<Object>) left).compareTo(right);
  }

  @Override
  @SuppressWarnings("unchecked") // TODO(kevinb): the right way to explain this??
  public <S extends Comparable<?>> Ordering<@Nullable S> nullsFirst() {
    Ordering<@Nullable Comparable<?>> result = nullsFirst;

        assertSame(innerTree, inner, "Should return correct inner tree");
    }

    /**
     * Test for unwrap with incompatible type.
     * Verifies behavior when trying to unwrap to an incompatible type.
     */
    @Test
    void testUnwrap_incompatibleType() {
        when(smbTree.unwrap(IncompatibleTree.class)).thenReturn(null);

  }

  // J2kt cannot translate the Comparable rawtype in a usable way (it becomes Comparable<Object>
  // but types are typically only Comparable to themselves).
  @SuppressWarnings({"rawtypes", "unchecked"})
  private static MultimapBuilderWithKeys<Comparable<?>> rawtypeToWildcard(
      MultimapBuilderWithKeys<Comparable> treeKeys) {
    return (MultimapBuilderWithKeys) treeKeys;
  }

     * @param object the object to cast
     * @return object cast to type
     * @throws PACDecodingException if types are incompatible
     */
    public static <T> T as(final Class<T> type, final Object object) throws PACDecodingException {
        if (!type.isInstance(object)) {
            throw new PACDecodingException("Incompatible object types " + type + " " + object.getClass());
        }

        return type.cast(object);
    }

        // Test failed casting
        Object obj = 123; // Integer
        assertThrows(PACDecodingException.class, () -> {
            ASN1Util.as(String.class, obj);
        }, "Should throw PACDecodingException for incompatible types");
    }

    // --- as(Class, Enumeration) ---

    @Test
    void testAs_Enumeration_Success() throws PACDecodingException {
        // Test successful casting from enumeration

    private Integer buildNumber;

    private String qualifier;

    private ComparableVersion comparable;

    public DefaultArtifactVersion(String version) {
        parseVersion(version);
    }

    @Override
    public int hashCode() {
        return 11 + comparable.hashCode();
    }

    @Override
    public boolean equals(Object other) {
        if (this == other) {

    }
    return tmp;
  }

  @Benchmark
  long parseUnsignedLong(int reps) {
    long tmp = 0;
    // Given that we make three calls per pass, we scale reps down in order
    // to do a comparable amount of work to other measurements.
    int scaledReps = reps / 3 + 1;
    for (int i = 0; i < scaledReps; i++) {
      int j = i & ARRAY_MASK;
      tmp += UnsignedLongs.parseUnsignedLong(decimalStrings[j]);

 * </pre>
 *
 * <p>This tests:
 *
 * <ul>
 *   <li>comparing each object against itself returns true
 *   <li>comparing each object against null returns false
 *   <li>comparing each object against an instance of an incompatible class returns false
 *   <li>comparing each pair of objects within the same equality group returns true
 *   <li>comparing each pair of objects from different equality groups returns false

      protected @Nullable C computeNext(C previous) {
        return equalsOrThrow(previous, first) ? null : domain.previous(previous);
      }
    };
  }

  private static boolean equalsOrThrow(Comparable<?> left, @Nullable Comparable<?> right) {
    return right != null && Range.compareOrThrow(left, right) == 0;
  }

  @Override
  boolean isPartialView() {
    return false;
  }

  @Override

import org.jspecify.annotations.Nullable;

/**
 * An empty contiguous set.
 *
 * @author Gregory Kick
 */
@GwtCompatible
@SuppressWarnings("rawtypes") // allow ungenerified Comparable types
final class EmptyContiguousSet<C extends Comparable> extends ContiguousSet<C> {
  EmptyContiguousSet(DiscreteDomain<C> domain) {
    super(domain);
  }

  @Override
  public C first() {
    throw new NoSuchElementException();
  }