Jordan Zimmerman created ZOOKEEPER-3762:
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             Summary: Add Client/Server API to return available features
                 Key: ZOOKEEPER-3762
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3762
             Project: ZooKeeper
          Issue Type: New Feature
          Components: c client, java client, server
    Affects Versions: 3.6.0
            Reporter: Jordan Zimmerman


Recent versions have introduced several new features/changes. Clients would 
benefit from an API that reports the feature set that a server instance 
supports. Something like (in Java):

{code}
public enum ServerFeatures {
    TTL_NODES,
    PERSISTENT_WATCHERS,
    ... etc ... full set of features TBD
}

public Collection< ServerFeatures> getServerFeatures() {
    ...
}
{code}



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