@interface SiriTTSAudibleContext : NSObject <NSSecureCoding> { void /* unknown type, empty encoding */ didStartSpeaking; } @property (class, nonatomic) BOOL supportsSecureCoding; @property (nonatomic) void /* unknown type, empty encoding */ audioSessionId; @property (nonatomic) void /* unknown type, empty encoding */ immediate; @property (nonatomic, copy) id /* block */ didStartSpeaking; @property (nonatomic) void /* unknown type, empty encoding */ playbackVolume; - (id)init; - (void)encodeWithCoder:(id)a0; - (void).cxx_destruct; - (id)initWithCoder:(id)a0; @end