@class NSString, NSDictionary; @interface VSDiagnosticService : NSObject @property (retain, nonatomic) NSString *audioDumpPath; @property (retain, nonatomic) NSDictionary *audioDumpFileAttributes; + (id)defaultService; - (void)createDirectoryIfNeeded; - (void)dumpInstrumentMetrics:(id)a0 withTimestamp:(long long)a1; - (id)initWithDirectory:(id)a0; - (void)removeOldFiles; - (void)dumpCompressedAudio:(id)a0 forRequest:(id)a1; - (void)dumpStreamAudio:(id)a0 forRequest:(id)a1; - (void).cxx_destruct; - (unsigned long long)totalDiagnosticFileSize; - (void)collectTailspin:(id /* block */)a0; - (void)removeDirectory; @end