"the Function passed to Optional.transform() must not return null."));
  }

  @Override
  public boolean equals(@Nullable Object obj) {
    if (obj instanceof Present) {
      Present<?> other = (Present<?>) obj;
      return reference.equals(other.reference);
    }
    return false;
  }

  @Override
  public int hashCode() {
    return 0x598df91c + reference.hashCode();
  }

  }

  @Override
  public abstract boolean encloses(Range<C> otherRange);

  @Override
  public boolean equals(@Nullable Object obj) {
    if (obj == this) {
      return true;
    } else if (obj instanceof RangeSet) {
      RangeSet<?> other = (RangeSet<?>) obj;
      return this.asRanges().equals(other.asRanges());
    }
    return false;
  }

  @Override
  public final int hashCode() {

      }
      return false;
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof PowerSet) {
        PowerSet<?> that = (PowerSet<?>) obj;
        return inputSet.keySet().equals(that.inputSet.keySet());
      }
      return super.equals(obj);
    }

    @Override
    public int hashCode() {
      /*

        ArtifactVersion v2 = newArtifactVersion("1.0");
        assertTrue(v1.equals(v2));
        assertEquals(v1.hashCode(), v2.hashCode());
    }

    @Test
    void testEqualsNullSafe() {
        assertFalse(newArtifactVersion("1").equals(null));
    }

    @Test
    void testEqualsTypeSafe() {
        assertFalse(newArtifactVersion("1").equals("non-an-artifact-version-instance"));
    }

        return 0L;
    }

    @Override
    public long length() {
        return 0L;
    }

    @Override
    public boolean equals(final Object obj) {
        if (obj instanceof final SmbShareInfo si) {
            return netName.equals(si.netName);
        }
        return false;
    }

    @Override
    public int hashCode() {
        return netName.hashCode();
    }

            throws ArtifactResolutionException, ArtifactNotFoundException {
        if (Artifact.RELEASE_VERSION.equals(artifact.getVersion())) {
            try {
                String version = resolveVersion(artifact, request);

                if (Artifact.RELEASE_VERSION.equals(version)) {
                    throw new ArtifactNotFoundException("Unable to determine the release version", artifact);
                }

      if (m.getName().equals("keySet") && m.getReturnType().equals(SortedSet.class)) {
        return;
      }
    }
    fail("No bridge method found");
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection
  public void testAsMapBridgeMethods() {
    for (Method m : TreeMultimap.class.getMethods()) {
      if (m.getName().equals("asMap") && m.getReturnType().equals(SortedMap.class)) {

        c.addDependency(dFarthest);

        /* system and provided dependencies are not transitive */
        if (!Artifact.SCOPE_SYSTEM.equals(nearestScope) && !Artifact.SCOPE_PROVIDED.equals(nearestScope)) {
            checkScopeUpdate(a, b, expectedScope, "2.0");
        }
    }

    private void checkScopeUpdateDirect(String farthestScope, String nearestScope, String expectedScope)

    assertThat(Booleans.asList(EMPTY).equals(ImmutableList.of())).isTrue();
    assertThat(Booleans.asList(ARRAY_FALSE).equals(Booleans.asList(ARRAY_FALSE))).isTrue();
    @SuppressWarnings("EqualsIncompatibleType")
    boolean listEqualsArray = Booleans.asList(ARRAY_FALSE).equals(ARRAY_FALSE);
    assertThat(listEqualsArray).isFalse();
    assertThat(Booleans.asList(ARRAY_FALSE).equals(null)).isFalse();

  }

  @Override
  public abstract boolean encloses(Range<C> otherRange);

  @Override
  public boolean equals(@Nullable Object obj) {
    if (obj == this) {
      return true;
    } else if (obj instanceof RangeSet) {
      RangeSet<?> other = (RangeSet<?>) obj;
      return this.asRanges().equals(other.asRanges());
    }
    return false;
  }

  @Override
  public final int hashCode() {