class TopoDS_Compound;
class TopoDS_Shape;
class BRep_Builder;
-class BRepTools_WireExplorer;
-class BRepTools_Modification;
-class BRepTools_Modifier;
-class BRepTools_TrsfModification;
-class BRepTools_NurbsConvertModification;
-class BRepTools_GTrsfModification;
-class BRepTools_Substitution;
-class BRepTools_Quilt;
-class BRepTools_ShapeSet;
-class BRepTools_ReShape;
class Geom_Curve;
class Geom2d_Curve;
class Geom_Surface;