#import "included.h"

@class Class1, Class2;
@class Class2;

@interface Class1
@end

@interface Class2
@end

@class Class2;

@protocol Protocol1;

@protocol Protocol1
@end

@protocol Protocol2;

@protocol Protocol2
@end

@interface Class3
@end

@protocol Protocol3
@end

@class Class4;
@protocol Protocol4;