private Area getArea(double multiplierMillimeters, double[] productMatrix, IfcRepresentationItem ifcRepresentationItem) { if (ifcRepresentationItem instanceof IfcExtrudedAreaSolid) { IfcExtrudedAreaSolid ifcExtrudedAreaSolid = (IfcExtrudedAreaSolid) ifcRepresentationItem; IfcAxis2Placement3D position = ifcExtrudedAreaSolid.getPosition();