@class NSMutableArray; @interface IDSTransactionQueue : NSObject @property (retain, nonatomic) NSMutableArray *transactions; @property (nonatomic) struct os_unfair_lock_s { unsigned int _os_unfair_lock_opaque; } lock; - (id)init; - (void)appendItem:(id)a0; - (void).cxx_destruct; - (void)_appendTransaction:(id)a0; - (void)_prependTransaction:(id)a0; - (void)_readyTransaction:(id)a0; - (void)_removeTransaction:(id)a0; - (id /* block */)appendPendingItem:(id)a0; - (void)executeReadyItemsWithBlock:(id /* block */)a0; - (void)prependItem:(id)a0; @end