@class NSObject; @protocol OS_os_transaction; @interface CRKOSTransactionToken : NSObject @property (copy, nonatomic) id /* block */ completionHandler; @property (retain, nonatomic) NSObject *underlyingTransaction; - (void)dealloc; - (void).cxx_destruct; - (void)cancel; - (id)initWithReason:(id)a0 completionHandler:(id /* block */)a1; @end