internal IfcDuctSegment(DatabaseIfc db, IfcDuctSegment s) : base(db,s) { mPredefinedType = s.mPredefinedType; } public IfcDuctSegment(IfcObjectDefinition host, IfcObjectPlacement placement, IfcProductRepresentation representation, IfcDistributionSystem system) : base(host, placement, representation, system) { }