@Override
  Set<Entry<K, V>> createEntries() {
    return new EntrySet();
  }

  class EntrySet extends Entries implements Set<Entry<K, V>> {
    @Override
    public int hashCode() {
      return Sets.hashCodeImpl(this);
    }

    @Override
    public boolean equals(@CheckForNull Object o) {
      return Sets.equalsImpl(this, o);
    }
  }

  @Override
  Set<Entry<K, V>> createEntries() {
    return new EntrySet();
  }

  class EntrySet extends Entries implements Set<Entry<K, V>> {
    @Override
    public int hashCode() {
      return Sets.hashCodeImpl(this);
    }

    @Override
    public boolean equals(@CheckForNull Object o) {
      return Sets.equalsImpl(this, o);
    }
  }