### Description Follow up work to https://github.com/elastic/elasticsearch/pull/95809 We can use one of the new Java [Primitive Iterators](https://docs.oracle.com/javase/8/docs/api/java/util/PrimitiveIterator.html) to reduce autoboxing costs on that iteration.
Description
Follow up work to #95809
We can use one of the new Java Primitive Iterators to reduce autoboxing costs on that iteration.