struct IAnimationGraphCategoryIterator {
  struct SCategory {
    const char * name;
    bool overridable;
    bool usableWithTemplate;
  };
};

IAnimationGraphSystem.h

<> required for Interfuscator

struct SCategory {
  const char * name;
  bool overridable;
  bool usableWithTemplate;
};

IAnimationGraphSystem.h

virtual ~IAnimationGraphCategoryIterator();

virtual void AddRef() = 0;

virtual bool Next(SCategory&) = 0;

virtual void Release() = 0;