Robuta

https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/lang/annotation/package-use.html

https://docs.oracle.com/javase/8/docs/api/javax/annotation/package-summary.html

https://wonyong-jang.github.io/java/2021/02/02/Java-annotation.html

https://docs.oracle.com/javase/jp/10/docs/api/javax/xml/bind/annotation/adapters/package-summary.html