ProtectedboundingProtectedexpressionProtectedlabelProtectedparentProtectedrulesEngravingRules for positioning
Graphical label of the expression if available
Staffline where the expression is attached to
Returns whether this object is an instance of the class, e.g. isInstanceOfClass(GraphicalMeasure).
The class, or its name (e.g. GraphicalMeasure.name). A name is unreliable in minified builds: they rename the classes, and give different classes the same name, e.g. "a" to GraphicalMeasure and GraphicalNote.
Internal cache of read expression