@interface AMSThreadSafeObject : NSObject @property (readonly, nonatomic) struct os_unfair_lock_s { unsigned int _os_unfair_lock_opaque; } lock; @property (retain, nonatomic) id underlyingObject; - (id)initWithObject:(id)a0; - (id)init; - (id)accessAndSetObjectWithBlock:(id /* block */)a0; - (id)object; - (void)read:(id /* block */)a0; - (void).cxx_destruct; - (void)readWrite:(id /* block */)a0; - (void)setObject:(id)a0; @end