Github user ajs6f commented on the issue:
https://github.com/apache/incubator-tamaya-extensions/pull/12
Hi, having filed TAMAYA-358, I'd like to test this PR. One quick question:
am I correct to think that the right idiom for config with no default value is
as shown (from the tests)
```
@Inject
@Config(value="myConfigVal", required=false)
private Optional<String> myConfigVal;
```
that is, inject an `Optional<T>` with `@Inject` and `@Config` and
`required=false`?
I'm building this PR right now to try it out!
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