protected IfcQuantitySet(DatabaseIfc db, IfcQuantitySet s) : base(db, s) { }
protected IfcQuantitySet(DatabaseIfc db, IfcQuantitySet s, DuplicateOptions options) : base(db, s, options) { }
protected IfcQuantitySet(DatabaseIfc db, IfcQuantitySet s, IfcOwnerHistory ownerHistory, bool downStream) : base(db, s, ownerHistory, downStream) { }