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//
// FABAttributes.h
// Fabric
//
// Copyright (C) 2015 Twitter, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#pragma once
#define FAB_UNAVAILABLE(x) __attribute__((unavailable(x)))
#if !__has_feature(nullability)
#define nonnull
#define nullable
#define _Nullable
#define _Nonnull
#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 native nullability * macros. */#define fab_nullable nullable
#define fab_nonnull nonnull
#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
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