private final ImmutableList<Type> upperBounds;

    WildcardTypeImpl(Type[] lowerBounds, Type[] upperBounds) {
      disallowPrimitiveType(lowerBounds, "lower bound for wildcard");
      disallowPrimitiveType(upperBounds, "upper bound for wildcard");
      this.lowerBounds = JavaVersion.CURRENT.usedInGenericType(lowerBounds);
      this.upperBounds = JavaVersion.CURRENT.usedInGenericType(upperBounds);
    }

    @Override

    private final ImmutableList<Type> upperBounds;

    WildcardTypeImpl(Type[] lowerBounds, Type[] upperBounds) {
      disallowPrimitiveType(lowerBounds, "lower bound for wildcard");
      disallowPrimitiveType(upperBounds, "upper bound for wildcard");
      this.lowerBounds = JavaVersion.CURRENT.usedInGenericType(lowerBounds);
      this.upperBounds = JavaVersion.CURRENT.usedInGenericType(upperBounds);
    }

    @Override

                            : null;
                    org.eclipse.aether.artifact.Artifact upperArtifact = upperBound != null
                            ? request.getArtifact()
                                    .setVersion(upperBound.getVersion().toString())
                            : null;

                    if (lowerArtifact != null && lowerArtifact.isSnapshot()

    return Multisets.iteratorImpl(this);
  }

  @Override
  public SortedMultiset<E> headMultiset(@ParametricNullness E upperBound, BoundType boundType) {
    return new TreeMultiset<>(
        rootReference,
        range.intersect(GeneralRange.upTo(comparator(), upperBound, boundType)),
        header);
  }

  @Override

    return Multisets.iteratorImpl(this);
  }

  @Override
  public SortedMultiset<E> headMultiset(@ParametricNullness E upperBound, BoundType boundType) {
    return new TreeMultiset<>(
        rootReference,
        range.intersect(GeneralRange.upTo(comparator(), upperBound, boundType)),
        header);
  }

  @Override

        NavigableMap<Cut<Integer>, Range<Integer>> expectedRangesByUpperBound = Maps.newTreeMap();
        for (Range<Integer> range : rangeSet.asRanges()) {
          expectedRangesByUpperBound.put(range.upperBound, range);
        }
        testNavigationAgainstExpected(
            expectedRangesByUpperBound,
            new TreeRangeSet.RangesByUpperBound<Integer>(rangeSet.rangesByLowerBound),
            CUTS_TO_TEST);