if (lowerBoundInclusive != restriction.lowerBoundInclusive) {
            return false;
        }

        if (upperBound != null) {
            if (!upperBound.equals(restriction.upperBound)) {
                return false;
            }
        } else if (restriction.upperBound != null) {
            return false;
        }

        return upperBoundInclusive == restriction.upperBoundInclusive;
    }

  }

  final Cut<C> lowerBound;
  final Cut<C> upperBound;

  private Range(Cut<C> lowerBound, Cut<C> upperBound) {
    this.lowerBound = checkNotNull(lowerBound);
    this.upperBound = checkNotNull(upperBound);
    if (lowerBound.compareTo(upperBound) > 0
        || lowerBound == Cut.<C>aboveAll()
        || upperBound == Cut.<C>belowAll()) {

            }
            if (upperBound != null) {
                if (restriction.getLowerBound() == null
                        || restriction.getLowerBound().compareTo(upperBound) < 0) {
                    throw new InvalidVersionSpecificationException("Ranges overlap: " + spec);
                }
            }
            restrictions.add(restriction);
            upperBound = restriction.getUpperBound();

        Cut<K> upperBound = entry.getLowerBound();
        if (!lowerBound.equals(upperBound)) {
          gaps.put(lowerBound, new RangeMapEntry<K, V>(lowerBound, upperBound, value));
        }
        lowerBound = entry.getUpperBound();
      }
      if (!lowerBound.equals(range.upperBound)) {
        gaps.put(lowerBound, new RangeMapEntry<K, V>(lowerBound, range.upperBound, value));
      }
    }

  }

  final Cut<C> lowerBound;
  final Cut<C> upperBound;

  private Range(Cut<C> lowerBound, Cut<C> upperBound) {
    this.lowerBound = checkNotNull(lowerBound);
    this.upperBound = checkNotNull(upperBound);
    if (lowerBound.compareTo(upperBound) > 0
        || lowerBound == Cut.<C>aboveAll()
        || upperBound == Cut.<C>belowAll()) {

        upperBound = subRange.upperBound;
      } else {
        upperBound = upperEntry.getValue().getUpperBound();
      }
      return Range.create(lowerBound, upperBound);
    }

    @Override
    public void put(Range<K> range, V value) {
      checkArgument(
          subRange.encloses(range), "Cannot put range %s into a subRangeMap(%s)", range, subRange);

  @Override
  public SortedMultiset<E> headMultiset(@ParametricNullness E upperBound, BoundType boundType) {
    return Multisets.unmodifiableSortedMultiset(delegate().headMultiset(upperBound, boundType));
  }

  @Override
  public SortedMultiset<E> subMultiset(
      @ParametricNullness E lowerBound,
      BoundType lowerBoundType,
      @ParametricNullness E upperBound,
      BoundType upperBoundType) {

    @CheckForNull final C upperBound;

    TreeRow(R rowKey) {
      this(rowKey, null, null);
    }

    TreeRow(R rowKey, @CheckForNull C lowerBound, @CheckForNull C upperBound) {
      super(rowKey);
      this.lowerBound = lowerBound;
      this.upperBound = upperBound;
      checkArgument(
          lowerBound == null || upperBound == null || compare(lowerBound, upperBound) <= 0);
    }

    WildcardType objectBound = Types.subtypeOf(Object.class);
    WildcardType upperBound = Types.subtypeOf(int[][].class);
    WildcardType lowerBound = Types.supertypeOf(String[][].class);

    assertEqualWildcardType(noBoundJvmType, objectBound);
    assertEqualWildcardType(objectBoundJvmType, objectBound);
    assertEqualWildcardType(upperBoundJvmType, upperBound);
    assertEqualWildcardType(lowerBoundJvmType, lowerBound);

    WildcardType objectBound = Types.subtypeOf(Object.class);
    WildcardType upperBound = Types.subtypeOf(int[][].class);
    WildcardType lowerBound = Types.supertypeOf(String[][].class);

    assertEqualWildcardType(noBoundJvmType, objectBound);
    assertEqualWildcardType(objectBoundJvmType, objectBound);
    assertEqualWildcardType(upperBoundJvmType, upperBound);
    assertEqualWildcardType(lowerBoundJvmType, lowerBound);