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#endif
#if defined(__clang__) || __GCC_VERSION__ >= 406
# define OF_SENTINEL __attribute__((sentinel))
#else
# define OF_SENTINEL
#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))
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#endif
#if defined(__clang__) || __GCC_VERSION__ >= 406
# define OF_SENTINEL __attribute__((sentinel))
#else
# define OF_SENTINEL
#endif
#ifdef OF_APPLE_RUNTIME
# if defined(__x86_64__) || defined(__i386__) || defined(__arm__) || \
defined(__ppc__)
# define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR
# define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR_STRET
# endif
#else
# ifdef __ELF__
# if defined(__amd64__) || defined(__x86_64__) || defined(__i386__) || \
defined(__arm__) || defined(__ARM__)
# define OF_HAVE_FORWARDING_TARGET_FOR_SELECTOR
# 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))
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