AvatarNluHintExpectedEntityWhich kind of entity is expected in the upcoming utterance. Reference mapConstants5SYSTEM_DURATIONSYSTEM_NUMBERSYSTEM_TIMESYSTEM_TIME_RANGESYSTEM_UNITConstantsSYSTEM_DURATIONCopy URLSYSTEM_NUMBERCopy URLSYSTEM_TIMECopy URLSYSTEM_TIME_RANGECopy URLSYSTEM_UNITCopy URL