Hexiaoqiao commented on PR #478:
URL: https://github.com/apache/curator/pull/478#issuecomment-1717637752

   Thanks @kezhuw for your suggestions and sorry for the late response.
   
   > The promise about "up-to-date" should be guaranteed.
   > The promise about "Changes the shared value only if its value has not 
changed since the version specified by newValue" should be hold. This means we 
have to throw exception if previous.getVersion() equals to -1 in call chain of 
trySetCount.
   
   I am not sure if I understood this point clearly. 'we have to throw 
exception if previous.getVersion() equals to -1 in call chain of trySetCount', 
Will it never update successfully when dataversion is back to -1 if we need to 
guarantee this rule?


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