Github user FlorianHockmann commented on the issue:
Ok, I wasn't sure whether those methods make sense for a GLV, but it's good
to know as I can now also implement it that way for the C# GLV.
My last commit adds hard-coded implementations for those methods. `__.__()`
just calls `__.inject()` and `__.start()` returns an empty `GraphTraversal`.
`start()` can also be called through _statics.py_.
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