@interface SiriTTSService.SynthesisCacheWritingAction : _TtCs12_SwiftObject {
void /* unknown type, empty encoding */ asyncContext;
void /* unknown type, empty encoding */ _invalidated;
void /* unknown type, empty encoding */ cacheStorage;
void /* unknown type, empty encoding */ cacheFile;
void /* unknown type, empty encoding */ cacheHashKey;
void /* unknown type, empty encoding */ cachingQueue;
void /* unknown type, empty encoding */ internalSettings;
void /* unknown type, empty encoding */ notificationCenter;
void /* unknown type, empty encoding */ observers;
}
@end