@class NSString; @interface SMTRequestContextData : NSObject <NSSecureCoding> { void /* unknown type, empty encoding */ audioSource; void /* unknown type, empty encoding */ audioDestination; void /* unknown type, empty encoding */ responseMode; void /* unknown type, empty encoding */ isEyesFree; void /* unknown type, empty encoding */ isVoiceTriggerEnabled; void /* unknown type, empty encoding */ isTextToSpeechEnabled; void /* unknown type, empty encoding */ isTriggerlessFollowup; void /* unknown type, empty encoding */ bargeInModes; void /* unknown type, empty encoding */ approximatePreviousTTSInterval; void /* unknown type, empty encoding */ deviceRestrictions; void /* unknown type, empty encoding */ voiceTriggerEventInfo; void /* unknown type, empty encoding */ voiceAudioSessionId; void /* unknown type, empty encoding */ isSystemApertureEnabled; } @property (class, nonatomic) BOOL supportsSecureCoding; @property (nonatomic, readonly) NSString *debugDescription; - (id)init; - (void)encodeWithCoder:(id)a0; - (void).cxx_destruct; - (BOOL)isEqual:(id)a0; - (id)initWithCoder:(id)a0; @end