Github user tillrohrmann commented on the pull request:
https://github.com/apache/flink/pull/1752#issuecomment-196248133
`ProgramDescription` has not been marked as deprecated so far. Furthermore
it can be used to show information about the program using `bin/flink info` and
is not mandatory.
Admittedly, this feature isn't used by many programs but I think it does
not hurt to keep and implement this interface, unless we plan to remove it
soon. There was a
[discussion](http://mail-archives.apache.org/mod_mbox/flink-dev/201505.mbox/%3ccagco--b_vig6nx-7c1_oenekiurgdqjtrvrfu8+zxw96nfw...@mail.gmail.com%3E)
which also involved `ProgramDescription`. However, it does not look to me as
if it converged to some real action points.
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