@Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }

    final AnnotationInstance that = (AnnotationInstance)o;
    return annotationClass.equals(that.annotationClass) && Objects.equals(contentHash, that.contentHash);
  }
@Override
  public boolean equals(Object o)