@class NSString; @interface AVAudioMicrophoneMonitor : NSObject { struct set, std::less>, std::allocator>> { struct __tree, std::less>, std::allocator>> { void *__begin_node_; struct __compressed_pair *>, std::allocator, void *>>> { struct __tree_end_node *> { void *__left_; } __value_; } __pair1_; struct __compressed_pair>> { unsigned long long __value_; } __pair3_; } __tree_; } _clientsWithMicEnabled; struct mutex { struct _opaque_pthread_mutex_t { long long __sig; char __opaque[56]; } __m_; } _monitorMutex; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id)sharedInstance; @end