toStringFunction());

  @Param({
    "HashMapImpl",
    "LinkedHashMapImpl",
    "ConcurrentHashMapImpl",
    "CompactHashMapImpl",
    "CompactLinkedHashMapImpl",
    "ImmutableMapImpl",
    "TreeMapImpl",
    "ImmutableSortedMapImpl",
    "MapMakerWeakKeysWeakValues",
    "MapMakerWeakKeysStrongValues",
    "MapMakerStrongKeysWeakValues",
    "MapMakerStrongKeysStrongValues",

      }
    },
    ConcurrentHashMapImpl {
      @Override
      public <K extends Comparable<K>, V> Map<K, V> create(Map<K, V> map) {
        return new ConcurrentHashMap<>(map);
      }
    },
    ImmutableMapImpl {
      @Override
      public <K extends Comparable<K>, V> Map<K, V> create(Map<K, V> map) {
        return ImmutableMap.copyOf(map);
      }
    },
    MapMakerStrongKeysStrongValues {
      @Override