CompCallEvent
@Js
class CompCallEvent : Obj
CompCallEvent includes details when a component method is called
Argument passed
Subject component
Component slot name
Return value of the method
Component function slot called
Debug string - format subject to change
Obj? : arg
Argument passed
Comp : comp
Subject component
const Str : name
Component slot name
Obj? : ret
Return value of the method
const Spec : slot
Component function slot called
virtual Str toStr()
Debug string - format subject to change