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Util is a collection of Twitter's core JVM libraries including: concurrency, I/O, caching, stats, time and duration, conversions and so on.


We feel that a welcoming community is important and we ask that you follow Twitter’s Open Source Code of Conduct in all interactions with the community.

Util is actively maintained by Twitter’s infrastructure team.

The master branch represents the most recent published release while active development happens on the develop branch.

Before endeavoring on large changes, please discuss them with the Finagle Google Group to receive feedback and suggestions.

For all patches, please review our contributing docs.