Apache Spark - Using withWatermark for DataSets

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Apache Spark - Using withWatermark for DataSets

M Singh
Hi:

I am working with DataSets so that I can use mapGroupsWithState for business logic and then use dropDuplicates over a set of fields.  I would like to use the withWatermark so that I can restrict the how much state is stored.  

From the API it looks like withWatermark takes a string - timestamp column name as argument.  Is it possible to use it with DataSets ?  If not, is there any alternative like withWatermark available for working with DataSets ?

Thanks

Mans