@Override
    public Range<K> span() {
      Cut<K> lowerBound;
      Entry<Cut<K>, RangeMapEntry<K, V>> lowerEntry =
          entriesByLowerBound.floorEntry(subRange.lowerBound);
      if (lowerEntry != null
          && lowerEntry.getValue().getUpperBound().compareTo(subRange.lowerBound) > 0) {
        lowerBound = subRange.lowerBound;
      } else {
        lowerBound = entriesByLowerBound.ceilingKey(subRange.lowerBound);

    }
    return closed(min, max);
  }

  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()) {

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

    private final ImmutableList<Type> lowerBounds;
    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);

    }

    @Override
    public Range<C> get(int index) {
      checkElementIndex(index, size);

      Cut<C> lowerBound;
      if (positiveBoundedBelow) {
        lowerBound = (index == 0) ? Cut.belowAll() : ranges.get(index - 1).upperBound;
      } else {
        lowerBound = ranges.get(index).upperBound;
      }

      Cut<C> upperBound;
      if (positiveBoundedAbove && index == size - 1) {

    }
  }

  public void testOrderingCuts() {
    Cut<Integer> a = Range.lessThan(0).lowerBound;
    Cut<Integer> b = Range.atLeast(0).lowerBound;
    Cut<Integer> c = Range.greaterThan(0).lowerBound;
    Cut<Integer> d = Range.atLeast(1).lowerBound;
    Cut<Integer> e = Range.greaterThan(1).lowerBound;
    Cut<Integer> f = Range.greaterThan(1).upperBound;

    }
  }

  public void testOrderingCuts() {
    Cut<Integer> a = Range.lessThan(0).lowerBound;
    Cut<Integer> b = Range.atLeast(0).lowerBound;
    Cut<Integer> c = Range.greaterThan(0).lowerBound;
    Cut<Integer> d = Range.atLeast(1).lowerBound;
    Cut<Integer> e = Range.greaterThan(1).lowerBound;
    Cut<Integer> f = Range.greaterThan(1).upperBound;

    private final ImmutableList<Type> lowerBounds;
    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);

        SortedLists.binarySearch(
            ranges,
            Range::upperBound,
            range.lowerBound,
            KeyPresentBehavior.FIRST_AFTER,
            KeyAbsentBehavior.NEXT_HIGHER);
    int upperIndex =
        SortedLists.binarySearch(
            ranges,
            Range::lowerBound,
            range.upperBound,
            KeyPresentBehavior.ANY_PRESENT,

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

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

    new EqualsTester()