Marshall Schor commented on UIMA-5115:

There's an ambiguity here, because annoFS might be or might not be in the 
index.  If it was in the index, then shift(1) would be needed to match 
following().  If it was not in the index, the position is already at the 
following() spot, and shifting one more would miss an annotation.

This complexity can be encapsulated in the following() method.

> uv3 select() api for iterators and streams over CAS contents
> ------------------------------------------------------------
>                 Key: UIMA-5115
>                 URL: https://issues.apache.org/jira/browse/UIMA-5115
>             Project: UIMA
>          Issue Type: New Feature
>          Components: Core Java Framework
>            Reporter: Marshall Schor
>            Priority: Minor
>             Fix For: 3.0.0SDKexp
> Design and implement a select() API based on uimaFIT's select, integrated 
> well with Java 8 concepts.  Initial discussions in UIMA-1524.  Wiki with 
> diagram: https://cwiki.apache.org/confluence/display/UIMA/UV3+Iterator+support

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