@class AUAudioUnit, NSMutableArray; @interface AUAudioUnitBusArray : NSObject <NSFastEnumeration> { NSMutableArray *_busses; } @property (nonatomic) struct vector<BusPropertyObserver, std::allocator<BusPropertyObserver>> { struct BusPropertyObserver *__begin_; struct BusPropertyObserver *__end_; struct __compressed_pair<BusPropertyObserver *, std::allocator<BusPropertyObserver>> { struct BusPropertyObserver *__value_; } __end_cap_; } observers; @property (readonly, nonatomic) unsigned long long count; @property (readonly, nonatomic, getter=isCountChangeable) BOOL countChangeable; @property (readonly, nonatomic) AUAudioUnit *ownerAudioUnit; @property (readonly, nonatomic) long long busType; - (void)indexBusses; - (void)removeObserverFromAllBusses:(id)a0 forKeyPath:(id)a1 context:(void *)a2; - (id)init; - (void)dealloc; - (id)objectAtIndexedSubscript:(unsigned long long)a0; - (id)initWithAudioUnit:(id)a0 busType:(long long)a1; - (id).cxx_construct; - (BOOL)setBusCount:(unsigned long long)a0 error:(id *)a1; - (id)initWithAudioUnit:(id)a0 busType:(long long)a1 busses:(id)a2; - (void)replaceBusses:(id)a0; - (void).cxx_destruct; - (void)addObserverToAllBusses:(id)a0 forKeyPath:(id)a1 options:(unsigned long long)a2 context:(void *)a3; - (unsigned long long)countByEnumeratingWithState:(struct { unsigned long long x0; id *x1; unsigned long long *x2; unsigned long long x3[5]; } *)a0 objects:(id *)a1 count:(unsigned long long)a2; @end