Method makeComplementByHand

corpus/java/training/guava/collect/Sets.java:494–499

(
      Collection<E> collection, Class<E> type)

  }

  private static <E extends Enum<E>> EnumSet<E> makeComplementByHand(
      Collection<E> collection, Class<E> type) {
    EnumSet<E> result = EnumSet.allOf(type);
    result.removeAll(collection);
    return result;
  }

  /**
   * Returns a set backed by the specified map. The resulting set displays