@class FTResetServerEndpointer, FTSetAlternateRecognitionSausage, NSObject, FTStartSpeechRequest, FTCheckForSpeechRequest, FTAudioPacket, FTSetRequestOrigin, FTSetSpeechProfile, FTUpdateAudioInfo, FTSetEndpointerState, FTSetSpeechContext, FTFinishAudio;
@protocol FLTBFBufferAccessor, NSCopying;
@interface FTMutableRecognitionStreamingRequest : FTRecognitionStreamingRequest
@property (nonatomic) long long content_type;
@property (copy, nonatomic) FTStartSpeechRequest *contentAsFTStartSpeechRequest;
@property (copy, nonatomic) FTUpdateAudioInfo *contentAsFTUpdateAudioInfo;
@property (copy, nonatomic) FTSetRequestOrigin *contentAsFTSetRequestOrigin;
@property (copy, nonatomic) FTSetSpeechContext *contentAsFTSetSpeechContext;
@property (copy, nonatomic) FTSetSpeechProfile *contentAsFTSetSpeechProfile;
@property (copy, nonatomic) FTSetEndpointerState *contentAsFTSetEndpointerState;
@property (copy, nonatomic) FTAudioPacket *contentAsFTAudioPacket;
@property (copy, nonatomic) FTFinishAudio *contentAsFTFinishAudio;
@property (copy, nonatomic) FTResetServerEndpointer *contentAsFTResetServerEndpointer;
@property (copy, nonatomic) FTCheckForSpeechRequest *contentAsFTCheckForSpeechRequest;
@property (copy, nonatomic) FTSetAlternateRecognitionSausage *contentAsFTSetAlternateRecognitionSausage;
@property (copy, nonatomic) NSObject<FLTBFBufferAccessor, NSCopying> *content;
+ (Class)content_mutableClassForType:(long long)a0;
+ (long long)content_typeForMutableObject:(id)a0;
+ (long long)content_typeForObject:(id)a0;
- (void)setContent:(id)a0;
- (id)init;
- (id)copyWithZone:(struct _NSZone { } *)a0;
@end