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//
// FABAttributes.h
// Fabric
//
// Copyright (c) 2015 Twitter. All rights reserved.
//
#pragma once
#define FAB_UNAVAILABLE(x) __attribute__((unavailable(x)))
#if __has_feature(nullability)
#define fab_nullable nullable
#define fab_nonnull nonnull
#define fab_null_unspecified null_unspecified
#define fab_null_resettable null_resettable
#define __fab_nullable __nullable
#define __fab_nonnull __nonnull
#define __fab_null_unspecified __null_unspecified
#else
#define fab_nullable
#define fab_nonnull
#define fab_null_unspecified
#define fab_null_resettable
#define __fab_nullable
#define __fab_nonnull
#define __fab_null_unspecified
#endif
#ifndef NS_ASSUME_NONNULL_BEGIN
#define NS_ASSUME_NONNULL_BEGIN
#endif
#ifndef NS_ASSUME_NONNULL_END
#define NS_ASSUME_NONNULL_END
#endif
/**
* The following macros are defined here to provide
* backwards compatability. If you are still using
* them you should migrate to the new versions that
* are defined above.
*/
#define FAB_NONNULL __fab_nonnull
#define FAB_NULLABLE __fab_nullable
#define FAB_START_NONNULL NS_ASSUME_NONNULL_BEGIN
#define FAB_END_NONNULL NS_ASSUME_NONNULL_END