Github user kl0u commented on the issue: https://github.com/apache/flink/pull/2937 Hi @DmytroShkvyra ! Great to hear that you want to contribute to Flink! To see the features that are pending, I would suggest to have a look at the JIRAs that have CEP as component. A good JIRA to start from, is the one from this PR (https://issues.apache.org/jira/browse/FLINK-4303). Adding examples will help you get familiarized with the new features and with the library in general. Unfortunately the documentation is not up-to-date but I am working on it and I will merge it next week.
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