The method returns a snippet of code that, when inlined, performs some
operation on the instance.
+=item B<< $metainstance->inline_rebless_instance_structure($instance_variable, $class_variable) >>
+
+This takes the name of a variable that will, when inlined, represent the object
+instance, and the name of a variable that will represent the class to rebless
+into, and returns code to rebless an instance into a class.
+
=back
=head2 Introspection