Github user mmiklavc commented on the issue:
https://github.com/apache/metron/pull/863
It seems this PR is meant to address the global case, since the writer is
general purpose. Per @cestella's comments, I don't know that we can include
original_string. I do think there's value in minimally ensuring the timestamp
and source.type fields are validated in the near term. It seems that addressing
a broader validation strategy might be in order, but maybe we could handle that
separately as a compromise? Thoughts @ottobackwards?
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