...

Using JavaObjects (a new UIMA "type") which implement Java collections is an alternative to using indexes. Some APIs may be modified to accept "roots" - collection objects specifying FSs to operate on.

Iterating over FSs

V3 incorporates some of the styles from uimaFIT's select operators.

Java 8 facilities like streams and spliterators are used.

Design outline is here.

Configuration

TBD; a mixture of current pipeline/aggregation-based specs, external override specs, and uimaFIT approaches?

...