text: #ifndef SWIFT_TEST_OBJC_CLASSES_H
  #define SWIFT_TEST_OBJC_CLASSES_H
  
  #import <Foundation/Foundation.h>
  
  @interface FirstClass : NSObject
  @property void *x;
  @end
  
  @interface SecondClass : NSObject
  @property void *x;
  @property void *y;
  @end
  
  @interface ThirdClass : NSObject
  @property void *x;
  @property void *y;
  @property void *z;
  @end
  
  #endif
  