Returns Objective-C runtime metaclass of the given class declaration.
ClassDeclaration.ObjcClassDeclaration.metaclass contains the metaclass
from the semantic point of view. This function returns the metaclass from
the Objective-C runtime's point of view. Here, the metaclass of a
metaclass is the root metaclass, not null. The root metaclass's
metaclass is itself.
Returns Objective-C runtime metaclass of the given class declaration.
ClassDeclaration.ObjcClassDeclaration.metaclass contains the metaclass from the semantic point of view. This function returns the metaclass from the Objective-C runtime's point of view. Here, the metaclass of a metaclass is the root metaclass, not null. The root metaclass's metaclass is itself.