https://docs.spring.io/spring-data/jpa/docs/current/api/org/springframework/data/jpa/repository/config/JpaRepositoryConfigExtension.html
JpaRepositoryConfigExtension (Spring Data JPA Parent 4.0.5 API)
declaration: package: org.springframework.data.jpa.repository.config, class: JpaRepositoryConfigExtension
spring data jpaparentapi