@class NSLock, NSString; @interface SiriTTSSynthesisEngine : NSObject @property (nonatomic) void *synthesizer; @property (nonatomic) struct AudioStreamBasicDescription { double mSampleRate; unsigned int mFormatID; unsigned int mFormatFlags; unsigned int mBytesPerPacket; unsigned int mFramesPerPacket; unsigned int mBytesPerFrame; unsigned int mChannelsPerFrame; unsigned int mBitsPerChannel; unsigned int mReserved; } asbd; @property (retain, nonatomic) NSLock *lock; @property (readonly, nonatomic) NSString *voicePath; @property (readonly, nonatomic) NSString *resourcePath; @property (retain, nonatomic) NSString *tag; + (BOOL)hasPhaticResponsesWithVoicePath:(id)a0; - (void)dealloc; - (void).cxx_destruct; - (void)unloadResource:(id)a0; - (BOOL)_preheatWithError:(id *)a0; - (BOOL)_unlockedLoadResourceWithPath:(id)a0 error:(id *)a1; - (BOOL)_unlockedSynthesize:(id)a0 error:(id *)a1; - (void)_unlockedUnloadResource:(id)a0; - (id)initWithVoicePath:(id)a0 resourcePath:(id)a1 error:(id *)a2; - (BOOL)loadResourceWithPath:(id)a0 error:(id *)a1; - (BOOL)preheatWithError:(id *)a0; - (void)stopSynthesis; - (BOOL)synthesize:(id)a0 error:(id *)a1; @end