StAX API is the standard java XML processing API defined by JSR-173
StAX is a standard XML processing API that allows you to stream XML data from and to your application.
Spark Project Streaming
Streaming API For XML (STAX API 1.0)
Spring Cloud Starter Stream Kafka
tax2 API is an extension to basic Stax 1.0 API that adds significant new functionality, such as full-featured bi-direction validation interface and high-performance Typed Access API.
A Protocol for Asynchronous Non-Blocking Data Sequence
App Starters Test Support