code: void addSomeValuesRestriction(Resource subject, String propertyUri,
  			String rangeUri) {
  		this.someValuesQueue.add(new PropertyRestriction(subject, propertyUri,
  				rangeUri));
  	}
docs: Adds the given some-value restriction to the list of restrictions that
  should still be serialized. The given resource will be used as a subject.
  
  @param subject
  @param propertyUri
  @param rangeUri