HYDRODATA_EXPORT std::ostream& operator<<( std::ostream& theStream, const QColor& theText );
HYDRODATA_EXPORT std::ostream& operator<<( std::ostream& theStream, const TopoDS_Shape& theShape );
HYDRODATA_EXPORT std::ostream& operator<<( std::ostream& theStream, const TopoDS_Face& theFace );
HYDRODATA_EXPORT std::ostream& operator<<( std::ostream& theStream, const QColor& theText );
HYDRODATA_EXPORT std::ostream& operator<<( std::ostream& theStream, const TopoDS_Shape& theShape );
HYDRODATA_EXPORT std::ostream& operator<<( std::ostream& theStream, const TopoDS_Face& theFace );