* @param id A <code>Resource</code>
*/
public Format(Resource id) {
setIdentifier(id);
this._domains = new HashSet<ISelector>();
this._purposes = new PurposeSet();
this._label = new PropertyLabel();
this._value = new PropertyValue();
this._resourceStyle = new HashSet<Style>();
this._propertyStyle = new HashSet<Style>();
this._labelStyle = new HashSet<Style>();