[jira] [Created] (FLINK-3700) Replace Guava Preconditions class with Flink Preconditions

[Shang Yuanchun (Jira)]

Stephan Ewen created FLINK-3700:
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             Summary: Replace Guava Preconditions class with Flink Preconditions
                 Key: FLINK-3700
                 URL: https://issues.apache.org/jira/browse/FLINK-3700
             Project: Flink
          Issue Type: Improvement
          Components: Core
    Affects Versions: 1.0.0
            Reporter: Stephan Ewen


In order to reduce the dependency on Guava (which has cause us quite a bit of pain in the past with its version conflicts), I suggest to add a Flink {{Preconditions}} class.



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