Replace booleans with named enums for readability and typechecking: https://github.com/chains-project/maven-lockfile/blob/90a755df832fdad7b6efcbd85de5c234ffdffebb/maven_plugin/src/test/java/io/github/chains_project/maven_lockfile/graph/LockfileTest.java#L14
