@class NSString, NSNumber; @interface SATTSSetSpeechSynthesisVolume : SABaseClientBoundCommand @property (copy, nonatomic) NSString *actionType; @property (copy, nonatomic) NSNumber *volumeValue; + (id)setSpeechSynthesisVolume; + (id)setSpeechSynthesisVolumeWithDictionary:(id)a0 context:(id)a1; - (id)groupIdentifier; - (BOOL)requiresResponse; - (id)encodedClassName; - (BOOL)mutatingCommand; @end