Github user danielcweber commented on the issue:
https://github.com/apache/tinkerpop/pull/842
@spmallette I have been following the discussion. To be honest, I don't
care too much about the symmetry. Symmetry doesn't help me much if my GLV
decides to return some obscure type that I can't process because I also can't
send it and it would break symmetry. I am just interested in Gremlin.net being
able to send Java-Durations for .net-TimeSpans to the database.
I am available to make the appropriate changes, which would probably just
be to retrire support for the non-symmetric types. I just hope in the end there
will be enough support retained for us to work with CosmosDB graph (they aren't
even running on Tinkerpop).
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