Location of the class initialization function for
classed and instantiatable types. Location of the default vtable
inititalization function for interface types. (optional) This function
is used both to fill in virtual functions in the class or default vtable,
and to do type-specific setup such as registering signals and object
properties.
Location of the class initialization function for classed and instantiatable types. Location of the default vtable inititalization function for interface types. (optional) This function is used both to fill in virtual functions in the class or default vtable, and to do type-specific setup such as registering signals and object properties.