Github user mxm commented on the pull request:
https://github.com/apache/flink/pull/966#issuecomment-129849477
Yes, existing formats should converted to "rich" formats. The name
`Abstract..` makes more sense if it becomes the new default way of interfacing
with the rich input/output formats. I still think, calling it `Rich...` makes
more sense in terms of consistency with the user-defined functions.
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