Spike: Annotation based transitions [BATCH-2689]

**[Michael Minella](https://jira.spring.io/secure/ViewProfile.jspa?name=mminella)** opened **[BATCH-2689](https://jira.spring.io/browse/BATCH-2689?redirect=false)** and commented

This is a spike to consider the idea of having annotation based transitions.  Things to consider with this:
1. What would the API look like?
2. Does it make sense to configure jobs this way?



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**Affects:** 4.0.0
