http://mapstruct.org/

https://github.com/mapstruct/mapstruct
https://github.com/mapstruct/mapstruct-examples

http://mapstruct.org/documentation/
http://mapstruct.org/documentation/installation/

http://mapstruct.org/documentation/reference-guide/
http://mapstruct.org/documentation/stable/reference/html/

2023
https://www.baeldung.com/mapstruct
2018
https://habr.com/post/433270/

src
https://mapstruct.org/documentation/stable/api/org/mapstruct/Mapping.html
    https://github.com/mapstruct/mapstruct/blob/main/core/src/main/java/org/mapstruct/Mapping.java