Github user Leemoonsoo commented on the issue:
https://github.com/apache/incubator-zeppelin/pull/940
@felixcheung
I have added @ZeppelinApi annotation to REST api endpoint.
Here's javadoc comment about two annotations.
ZeppelinApi
```
APIs exposed to extends pluggable components or exposed to enduser
```
Experimental
```
Might change or be removed at anytime, or be adopted as ZeppelinApi
```
What do you think?
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