code: public WasInvalidatedBy newWasInvalidatedBy(QualifiedName id, QualifiedName entity, QualifiedName activity) {
  	WasInvalidatedBy res = of.createWasInvalidatedBy();
  	res.setId(id);
  	res.setEntity(entity);
  	res.setActivity(activity);
  	return res;
      }
docs: A factory method to create an instance of an invalidation {@link WasInvalidatedBy}
  @param id an optional identifier for a usage
  @param entity an identifier for the created <a href="http://www.w3.org/TR/prov-dm/#invalidation.entity">entity</a>
  @param activity an optional identifier  for the <a href="http://www.w3.org/TR/prov-dm/#invalidation.activity">activity</a> that creates the entity
  @return an instance of {@link WasInvalidatedBy}