Mapstatedescriptor

[Szymon]

Hi, i have a question about MapStateDescriptor used to create MapState. I have 
a keyed stream and ProcessWindowFunction where I want to use MapState. And the 
question is that in MapStateDescriptor constructor public 
MapStateDescriptor(String name,
                          Class<UK> keyClass,
                          Class<UV> valueClass)the "name" must be unique 
for each key or this is only the name/description.Best RegardsSzymon