/// identifies macro templates
MathMacroTemplate * asMacroTemplate() { return this; }
/// identifies macro templates
MathMacroTemplate const * asMacroTemplate() const { return this; }
///
/// identifies macro templates
MathMacroTemplate * asMacroTemplate() { return this; }
/// identifies macro templates
MathMacroTemplate const * asMacroTemplate() const { return this; }
///