--- /dev/null
+//
+// CLSAttributes.h
+// Crashlytics
+//
+// Copyright (c) 2015 Crashlytics, Inc. All rights reserved.
+//
+
+#pragma once
+
+#define CLS_DEPRECATED(x) __attribute__ ((deprecated(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
+
+#if __has_feature(objc_generics)
+ #define CLS_GENERIC_NSARRAY(type) NSArray<type>
+ #define CLS_GENERIC_NSDICTIONARY(key_type,object_key) NSDictionary<key_type, object_key>
+#else
+ #define CLS_GENERIC_NSARRAY(type) NSArray
+ #define CLS_GENERIC_NSDICTIONARY(key_type,object_key) NSDictionary
+#endif