if (edges.size() == 1) {
            MetadataGraphEdge e = edges.get(0);
            if (scope.encloses(e.getScope())) {
                return e;
            }

            return null;
        }

        MetadataGraphEdge res = null;

        for (MetadataGraphEdge e : edges) {
            if (!scope.encloses(e.getScope())) {
                continue;
            }

            if (res == null) {

        && !priorEntry.getValue().intersection(range).isEmpty();
  }

  @Override
  public boolean encloses(Range<C> range) {
    checkNotNull(range);
    Entry<Cut<C>, Range<C>> floorEntry = rangesByLowerBound.floorEntry(range.lowerBound);
    return floorEntry != null && floorEntry.getValue().encloses(range);
  }

  @CheckForNull
  private Range<C> rangeEnclosing(Range<C> range) {
    checkNotNull(range);

      for (Range<Integer> expectedRange : rangeSet.asRanges()) {
        if (expectedRange.encloses(query)) {
          expectEnclose = true;
          break;
        }
      }

      assertEquals(
          rangeSet + " was incorrect on encloses(" + query + ")",
          expectEnclose,
          rangeSet.encloses(query));
      assertEquals(
          rangeSet + " was incorrect on enclosesAll([" + query + "])",

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

    @Override
    public void putCoalescing(Range<K> range, V value) {
      if (entriesByLowerBound.isEmpty() || !subRange.encloses(range)) {
        put(range, value);
        return;
      }

    removeAll(other.asRanges());
  }

  @Override
  public boolean intersects(Range<C> otherRange) {
    return !subRangeSet(otherRange).isEmpty();
  }

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

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

     * scope relationship function. Used by the graph conflict resolution policies
     *
     * @param scope a scope
     * @return true is supplied scope is an inclusive sub-scope of current one.
     */
    public boolean encloses(ArtifactScopeEnum scope) {
        final ArtifactScopeEnum s = checkScope(scope);

        // system scope is historic only - and simple
        if (id == system.id) {
            return scope.id == system.id;
        }

      for (Range<Integer> expectedRange : rangeSet.asRanges()) {
        if (expectedRange.encloses(query)) {
          expectEnclose = true;
          break;
        }
      }

      assertEquals(
          rangeSet + " was incorrect on encloses(" + query + ")",
          expectEnclose,
          rangeSet.encloses(query));
      assertEquals(
          rangeSet + " was incorrect on enclosesAll([" + query + "])",

  }

  @Override
  public ImmutableRangeMap<K, V> subRangeMap(final Range<K> range) {
    if (checkNotNull(range).isEmpty()) {
      return ImmutableRangeMap.of();
    } else if (ranges.isEmpty() || range.encloses(span())) {
      return this;
    }
    int lowerIndex =
        SortedLists.binarySearch(
            ranges,
            Range::upperBound,
            range.lowerBound,

  }

  @Override
  public ImmutableRangeMap<K, V> subRangeMap(final Range<K> range) {
    if (checkNotNull(range).isEmpty()) {
      return ImmutableRangeMap.of();
    } else if (ranges.isEmpty() || range.encloses(span())) {
      return this;
    }
    int lowerIndex =
        SortedLists.binarySearch(
            ranges,
            Range::upperBound,
            range.lowerBound,

    // centerFloor and centerFloor + 1.
    int centerFloor = (from + to) >>> 1;

    // Do a binary search until we're down to the range of two which encloses centerFloor (unless
    // all values are lower or higher than centerFloor, in which case we find the two highest or
    // lowest respectively). If centerFloor is in allRequired, we will definitely find it. If not,