This bug forces users to convert long to ulong when they're using .ReplaceWithVersion methods. I'm not sure which of the types is correct. It probably depends on the HotRod protocol. However, they should be same in both places.
See incompatibility between https://github.com/infinispan/dotnet-client/blob/master/src/main/cs/Infinispan/HotRod/IVersionedValue.cs#L27
and
https://github.com/infinispan/dotnet-client/blob/master/src/main/cs/Infinispan/HotRod/IRemoteCache.cs#L324