@interface NviUtils : NSObject + (double)getVoiceTriggerEndSecsFromVTEI:(id)a0; + (id)timeStampString; + (BOOL)_createDirAtPath:(id)a0; + (BOOL)createDirAtPath:(id)a0; + (id)getValueFromDictionaryOfDictionaries:(id)a0 keypath:(id)a1; + (long long)getVoiceTriggerEndSampleCountFromVTEI:(id)a0; + (BOOL)isNviEnabled; + (unsigned long long)nviDataSourceTypeForStr:(id)a0; + (unsigned long long)nviSignalTypeForStr:(id)a0; + (id)readJsonDictionaryAt:(id)a0; + (id)strRepForNviDataSourceType:(unsigned long long)a0; + (id)strRepForNviSignalMask:(unsigned long long)a0; + (id)strRepForNviSignalType:(unsigned long long)a0; @end