@Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (!(o instanceof Chapter)) {
      return false;
    }

    Chapter chapter = (Chapter) o;

    if (!title.equals(chapter.title)) {
      return false;
    }

    return true;
  }
@return publish date associated to the EpisodeViewModel
app/src/main/java/com/github/pedrovgs/effectiveandroidui/domain/tvshow/Chapter.java