Github user Leemoonsoo commented on the pull request:
https://github.com/apache/incubator-zeppelin/pull/377#issuecomment-153022069
How about API like
```
z.addRepo("RepoName").url("RepoURL").credential("username", "password")
```
Instead of
```
z.addRepo("RepoName").url("RepoURL")
z.addCredential("RepoName","username","password")
```
?
I think method chaining is more consistent design here while
[Repository](https://github.com/apache/incubator-zeppelin/blob/master/spark/src/main/java/org/apache/zeppelin/spark/dep/Repository.java)
already has url(), snapshot() with method chaining.
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