[GitHub] zeppelin issue #1730: [ZEPPELIN-1736] Introduce trash & enable removing fold...

[tae-jun]

Github user tae-jun commented on the issue:

    https://github.com/apache/zeppelin/pull/1730
  
    Thanks for the review @cuspymd! I think so, but I used HashSet because of 
consistency. Other methods used HashSet.
    
    I think if we want to change to 'Set', wouldn't it be better to open new 
refactoring PR that change all other 'HashSet' to 'Set' for consistency? 😄 
    
    What do you think?


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