///
void metrics(MetricsInfo & mi, Dimension & dim) const;
///
void draw(PainterInfo & pi, int x, int y) const;
///
///
void metrics(MetricsInfo & mi, Dimension & dim) const;
///
void draw(PainterInfo & pi, int x, int y) const;
///
/// identifies UnknownInsets
MathUnknownInset const * asUnknownInset() const { return this; }
/// identifies UnknownInsets
MathUnknownInset * asUnknownInset() { return this; }
/// identifies UnknownInsets
MathUnknownInset const * asUnknownInset() const { return this; }
/// identifies UnknownInsets
MathUnknownInset * asUnknownInset() { return this; }