public static class ImmutableBiMapCopyOfGenerator extends TestStringBiMapGenerator {
    @Override
    protected BiMap<String, String> create(Entry<String, String>[] entries) {
      Map<String, String> builder = Maps.newLinkedHashMap();
      for (Entry<String, String> entry : entries) {
        builder.put(entry.getKey(), entry.getValue());
      }
      return ImmutableBiMap.copyOf(builder);
    }
  }

  public static class ImmutableBiMapCopyOfGenerator extends TestStringBiMapGenerator {
    @Override
    protected BiMap<String, String> create(Entry<String, String>[] entries) {
      Map<String, String> builder = Maps.newLinkedHashMap();
      for (Entry<String, String> entry : entries) {
        builder.put(entry.getKey(), entry.getValue());
      }
      return ImmutableBiMap.copyOf(builder);
    }
  }