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# define true ((bool)1)
# undef false
# define false ((bool)0)
# endif
#endif
#if defined(__clang__) || __GCC_VERSION__ >= 406
# define OF_SENTINEL __attribute__((sentinel))
# define OF_NO_RETURN __attribute__((noreturn))
# define OF_SENTINEL __attribute__((__sentinel__))
# define OF_NO_RETURN __attribute__((__noreturn__))
#else
# define OF_SENTINEL
# define OF_NO_RETURN
#endif
#if __has_attribute(objc_requires_super)
# define OF_REQUIRES_SUPER __attribute__((objc_requires_super))
#if __has_attribute(__objc_requires_super__)
# define OF_REQUIRES_SUPER __attribute__((__objc_requires_super__))
#else
# define OF_REQUIRES_SUPER
#endif
#if __has_attribute(objc_root_class)
# define OF_ROOT_CLASS __attribute__((objc_root_class))
#if __has_attribute(__objc_root_class__)
# define OF_ROOT_CLASS __attribute__((__objc_root_class__))
#else
# define OF_ROOT_CLASS
#endif
#ifdef OF_APPLE_RUNTIME
# if defined(__x86_64__) || defined(__i386__) || defined(__ARM64_ARCH_8__) || \
defined(__arm__) || defined(__ppc__)
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# define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR_STRET
# endif
# endif
# endif
#endif
#if __has_feature(objc_arc)
# define OF_RETURNS_RETAINED __attribute__((ns_returns_retained))
# define OF_RETURNS_NOT_RETAINED __attribute__((ns_returns_not_retained))
# define OF_RETURNS_INNER_POINTER __attribute__((objc_returns_inner_pointer))
# define OF_CONSUMED __attribute__((ns_consumed))
# define OF_WEAK_UNAVAILABLE __attribute__((objc_arc_weak_unavailable))
# define OF_RETURNS_RETAINED __attribute__((__ns_returns_retained__))
# define OF_RETURNS_NOT_RETAINED __attribute__((__ns_returns_not_retained__))
# define OF_RETURNS_INNER_POINTER \
__attribute__((__objc_returns_inner_pointer__))
# define OF_CONSUMED __attribute__((__ns_consumed__))
# define OF_WEAK_UNAVAILABLE __attribute__((__objc_arc_weak_unavailable__))
#else
# define OF_RETURNS_RETAINED
# define OF_RETURNS_NOT_RETAINED
# define OF_RETURNS_INNER_POINTER
# define OF_CONSUMED
# define OF_WEAK_UNAVAILABLE
# define __unsafe_unretained
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