Github user spmallette commented on the issue:
https://github.com/apache/tinkerpop/pull/351
This change is largely to help the consumption of GraphSON by non-JVM
languages. Since I'm largely familiar with the behaviors of java based parsers
and such, i'm not a good judge of that so i have to rely on @PommeVerte and
others in this area. If the switch to Map is helpful then I think we should go
that route. @newkek I would not be hasty in the change though. Perhaps we give
it a day or so to think about to be sure that everyone is happy with that
approach before you make the change and commit to it.
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