1 @__experimental_modules_import category_top; 2 3 @interface Foo(Right1) 4 -(void)right1; 5 @end 6 7 @interface Foo(Right2) 8 -(void)right2; 9 @end 10 11 @interface Foo(Duplicate) // expected-warning {{duplicate definition of category}} 12 @end 13