@Override
    public ResourceInst[] getResources() {
      Set set = new HashSet();
      for (final StatValue value : values) {
        set.addAll(Arrays.asList(value.getResources()));
      }
      ResourceInst[] result = new ResourceInst[set.size()];
      return (ResourceInst[]) set.toArray(result);
    }
Creates a ComboValue by adding all the specified values together.
geode-core/src/main/java/org/apache/geode/internal/statistics/StatArchiveReader.java