GitHub user zentol opened a pull request:
https://github.com/apache/flink/pull/4124
[FLINK-6920] Remove minor guava usages
This PR removes undeclared usages of guava in the following modules
```
flink-connector-elasticsearch
flink-connector-filesystem
flink-gelly-examples
flink-gelly-scala
flink-test-utils
```
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zentol/flink 6920
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/4124.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #4124
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