@class NSMutableDictionary, FTSetSpeechProfile, NSObject, FTMultiUserStartSpeechRequest, FTFinishAudio, FTSetEndpointerState, FTResetServerEndpointer, FTSetAlternateRecognitionSausage, FTAudioPacket, NSData, FTSetSpeechContext, FTSetRequestOrigin, FTUpdateAudioInfo; @protocol FLTBFBufferAccessor, NSCopying; @interface FTMultiUserStreamingRequest : NSObject <FLTBFBufferAccessor, NSCopying> { NSMutableDictionary *_storage; NSData *_data; const struct MultiUserStreamingRequest { unsigned char x0[1]; } *_root; } @property (readonly, nonatomic) long long content_type; @property (readonly, nonatomic) FTMultiUserStartSpeechRequest *contentAsFTMultiUserStartSpeechRequest; @property (readonly, nonatomic) FTUpdateAudioInfo *contentAsFTUpdateAudioInfo; @property (readonly, nonatomic) FTSetRequestOrigin *contentAsFTSetRequestOrigin; @property (readonly, nonatomic) FTSetSpeechContext *contentAsFTSetSpeechContext; @property (readonly, nonatomic) FTSetSpeechProfile *contentAsFTSetSpeechProfile; @property (readonly, nonatomic) FTSetEndpointerState *contentAsFTSetEndpointerState; @property (readonly, nonatomic) FTAudioPacket *contentAsFTAudioPacket; @property (readonly, nonatomic) FTFinishAudio *contentAsFTFinishAudio; @property (readonly, nonatomic) FTResetServerEndpointer *contentAsFTResetServerEndpointer; @property (readonly, nonatomic) FTSetAlternateRecognitionSausage *contentAsFTSetAlternateRecognitionSausage; @property (readonly, nonatomic) NSObject<FLTBFBufferAccessor, NSCopying> *content; + (long long)content_typeForImmutableObject:(id)a0; + (Class)content_immutableClassForType:(long long)a0; - (void).cxx_destruct; - (id)copyWithZone:(struct _NSZone { } *)a0; - (struct Offset<siri::speech::qss_fb::MultiUserStreamingRequest> { unsigned int x0; })addObjectToBuffer:(void *)a0; - (id)flatbuffData; - (id)initAndVerifyWithFlatbuffData:(id)a0; - (id)initWithFlatbuffData:(id)a0; - (id)initWithFlatbuffData:(id)a0 root:(const struct MultiUserStreamingRequest { unsigned char x0[1]; } *)a1; - (id)initWithFlatbuffData:(id)a0 root:(const struct MultiUserStreamingRequest { unsigned char x0[1]; } *)a1 verify:(BOOL)a2; @end