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https://issues.apache.org/jira/browse/HADOOP-5073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12751614#action_12751614
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Tsz Wo (Nicholas), SZE commented on HADOOP-5073:
------------------------------------------------

> Clearly, Nicholas would like 2. Personally, I think we should do 1. Having 
> the annotations flow down is problematic if it flows from public interfaces 
> into the private implementations....
Yes, I prefer 2 but I am open to 1.

BTW, should the value (or target) of LimitedPrivate be enum?  Otherwise, 
someone may incorrectly annotate something with typos like the following:
{code}
@Audience.LimitedPrivate({"Pi", "Owl", "Zebra"}) //Oops, it is supposed to be 
used by the Pig project,
                                                 //not the Pi programs.
public class HelloWorld {
}
{code}

> Hadoop 1.0 Interface Classification - scope (visibility - public/private) and 
> stability
> ---------------------------------------------------------------------------------------
>
>                 Key: HADOOP-5073
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5073
>             Project: Hadoop Common
>          Issue Type: Sub-task
>            Reporter: Sanjay Radia
>            Assignee: Sanjay Radia
>         Attachments: 5073_demo.png, c5073_20090825.patch, c5073_20090825.png, 
> HADOOP-5073.patch, Nested.png, Picture 1.png
>
>
> This jira proposes an interface classification for hadoop interfaces.
> The discussion was started in email alias core-...@hadoop.apache.org in Nov 
> 2008.

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