Add 'submodules/AsyncDisplayKit/' from commit '02bedc12816e251ad71777f9d2578329b6d2bef6'

git-subtree-dir: submodules/AsyncDisplayKit
git-subtree-mainline: d06f423e0e
git-subtree-split: 02bedc1281

submodules/AsyncDisplayKit/Source/ASMainThreadDeallocation.h

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+//
+//  ASMainThreadDeallocation.h
+//  Texture
+//
+//  Copyright (c) Pinterest, Inc.  All rights reserved.
+//  Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface NSObject (ASMainThreadIvarTeardown)
+
+/**
+ * Call this from -dealloc to schedule this instance's
+ * ivars for main thread deallocation as needed.
+ *
+ * This method includes a check for whether it's on the main thread,
+ * and it will do nothing in that case.
+ */
+- (void)scheduleIvarsForMainThreadDeallocation;
+
+@end
+
+@interface NSObject (ASNeedsMainThreadDeallocation)
+
+/**
+ * Override this property to indicate that instances of this
+ * class need to be deallocated on the main thread.
+ * You do not access this property yourself.
+ *
+ * The NSObject implementation returns YES if the class name has
+ * a prefix UI, AV, or CA. This property is also overridden to
+ * return fixed values for other common classes, such as UIImage,
+ * UIGestureRecognizer, and UIResponder.
+ */
+@property (class, readonly) BOOL needsMainThreadDeallocation;
+
+@end
+
+@interface NSProxy (ASNeedsMainThreadDeallocation)
+
+/**
+ * Override this property to indicate that instances of this
+ * class need to be deallocated on the main thread.
+ * You do not access this property yourself.
+ *
+ * The NSProxy implementation returns NO because
+ * proxies almost always hold weak references.
+ */
+@property (class, readonly) BOOL needsMainThreadDeallocation;
+
+@end
+
+NS_ASSUME_NONNULL_END