See for instance https://github.com/windup/windup-rulesets/blob/master/rules/rules-reviewed/quarkus/java-ee/cdi-to-quarkus.windup.xml

Rules within the JavaEE source to Quarkus target only work if the application still uses the "javax" namespaces. If the application has previously been migrated to the JakartaEE namespaces, issues won't be detected.