@class SVXSpeechSynthesisResult, NSString, NSError, SVXSpeechSynthesisUtteranceInfo; @interface _SVXSpeechSynthesisResultMutation : NSObject <SVXSpeechSynthesisResultMutating> { SVXSpeechSynthesisResult *_baseModel; long long _type; SVXSpeechSynthesisUtteranceInfo *_utteranceInfo; NSError *_error; struct _mutationFlags { unsigned char isDirty : 1; unsigned char hasType : 1; unsigned char hasUtteranceInfo : 1; unsigned char hasError : 1; } _mutationFlags; } @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)setType:(long long)a0; - (id)init; - (id)generate; - (void).cxx_destruct; - (void)setError:(id)a0; - (id)initWithBaseModel:(id)a0; - (void)setUtteranceInfo:(id)a0; @end