This is the model for Maven toolchain in org.apache.maven.toolchain package, delegating content to Maven 4 API immutable toolchain. All the effective model building logic from multiple toolchains files is done in Maven Toolchain Builder.
The following are generated from this model:
ToAPiV3() and ToApiV4() transformers, and v4 package for Merger and v4 Reader and Writers for the Xpp3 XML parser,