1#include "test.h" 2 3@interface Sub1 : TestRoot 4+(int)method; 5+(Class)classref; 6@end 7 8@interface Sub2 : TestRoot 9+(int)method; 10+(Class)classref; 11@end 12 13@interface SubSub1 : Sub1 @end 14 15@interface SubSub2 : Sub2 @end 16