@interface VTUtteranceMetadataManager : NSObject + (BOOL)_audioDirectoryNeedsUpgrade:(id)a0; + (id)_getBaseMetaDictionaryForUtterancePath:(id)a0; + (void)_saveMetaVersionFileAtPath:(id)a0; + (void)_upgradeLocaleDirectoryIfNecessary:(id)a0; + (void)_upgradeUtteranceMeta:(id)a0; + (void)_writeMetaDict:(id)a0 forUtterancePath:(id)a1; + (BOOL)isUtteranceImplicitlyTrained:(id)a0; + (id)recordedTimeStampOfFile:(id)a0; + (void)saveMetaVersionFileAtSATAudioDirectory:(id)a0; + (void)saveUtteranceMetadataForUtterance:(id)a0 isExplicitEnrollment:(BOOL)a1 isHandheldEnrollment:(BOOL)a2 withBiometricResult:(unsigned long long)a3; + (void)upgradeMetaFilesIfNecessaaryAtSATRoot:(id)a0; @end