throw new MetadataResolutionException("badly formed edge");
        }
    }
    // ------------------------------------------------------------------------
    public List<MetadataGraphEdge> getEdgesBetween(MetadataGraphVertex vFrom, MetadataGraphVertex vTo) {
        List<MetadataGraphEdge> edges = getIncidentEdges(vTo);
        if (edges == null || edges.isEmpty()) {
            return null;
        }

    private MetadataGraphEdge cleanEdges(
            MetadataGraphVertex v, List<MetadataGraphEdge> edges, ArtifactScopeEnum scope) {
        if (edges == null || edges.isEmpty()) {
            return null;
        }

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

    for (N node : graph.nodes()) {
      copy.addNode(node);
    }
    for (EndpointPair<N> edge : graph.edges()) {
      copy.putEdge(edge.nodeU(), edge.nodeV());
    }
    return copy;
  }

  /** Creates a mutable copy of {@code graph} with the same nodes, edges, and edge values. */
  public static <N, V> MutableValueGraph<N, V> copyOf(ValueGraph<N, V> graph) {
    MutableValueGraph<N, V> copy =

    for (N node : graph.nodes()) {
      copy.addNode(node);
    }
    for (EndpointPair<N> edge : graph.edges()) {
      copy.putEdge(edge.nodeU(), edge.nodeV());
    }
    return copy;
  }

  /** Creates a mutable copy of {@code graph} with the same nodes, edges, and edge values. */
  public static <N, V> MutableValueGraph<N, V> copyOf(ValueGraph<N, V> graph) {
    MutableValueGraph<N, V> copy =

// Merge data of two ReplicationLastHour structure
func (l ReplicationLastHour) merge(o ReplicationLastHour) (merged ReplicationLastHour) {
	if l.LastMin > o.LastMin {
		o.forwardTo(l.LastMin)
		merged.LastMin = l.LastMin
	} else {
		l.forwardTo(o.LastMin)
		merged.LastMin = o.LastMin
	}

	for i := range merged.Totals {
		merged.Totals[i] = AccElem{
			Total: l.Totals[i].Total + o.Totals[i].Total,

 *       locks---to each of the acquired locks, an edge from the soon-to-be-acquired lock is either
 *       verified or created.
 *   <li>If a new edge needs to be created, the outgoing edges of the acquired locks are traversed
 *       to check for a cycle that reaches the lock to be acquired. If no cycle is detected, a new
 *       "safe" edge is created.
 *   <li>If a cycle is detected, an "unsafe" (cyclic) edge is created to represent a potential

    Iterator<C> merged =
        mergeSorted(
            transform(backingMap.values(), (Map<C, V> input) -> input.keySet().iterator()),
            comparator);

    return new AbstractIterator<C>() {
      @Nullable C lastValue;

      @Override
      protected @Nullable C computeNext() {
        while (merged.hasNext()) {
          C next = merged.next();

				}
				vMod = append(vMod, newVers)
			}
			merged := mergeXLV2Versions(i, true, 0, vMod...)
			if len(merged) == 0 && i < 2 {
				t.Error("Did not get any results")
				return
			}
			if len(merged) > 0 && i >= 2 {
				t.Error("Got unexpected results", len(merged), merged[0].header)
				return
			}
			for _, ver := range merged {
				if ver.header.Type == invalidVersionType {

		var loi ListObjectsInfo
		merged, err := z.listPath(ctx, &opts)
		if err != nil && err != io.EOF {
			if !isErrBucketNotFound(err) {
				storageLogOnceIf(ctx, err, "erasure-list-objects-path-"+bucket)
			}
			return loi, toObjectErr(err, bucket)
		}
		merged.forwardPast(opts.Marker)
		defer merged.truncate(0) // Release when returning

		if contextCanceled(ctx) {

			}
		}()
	}
	wg.Wait()

	var scanningDisks, healingDisks []StorageAPI
	var scanningInfos, healingInfos []DiskInfo

	for i, info := range infos {
		// Check if one of the drives in the set is being healed.
		// this information is used by scanner to skip healing
		// this erasure set while it calculates the usage.
		if info.Error != "" || disks[i] == nil {
			continue
		}
		if info.Healing {
			healing++