https://helidon.io/docs/v1/apidocs/io/helidon/common/serviceloader/package-frame.html
io.helidon.common.serviceloader (Helidon 1.4.12 API)
iohelidoncommonapi
https://docs.oracle.com/javase/jp/11/docs/api/java.base/java/util/ServiceLoader.Provider.html
ServiceLoader.Provider (Java SE 11 & JDK 11 )
java seproviderjdk
https://grails.apache.org/docs/latest/api/grails/plugin/geb/serviceloader/package-frame.html
grails.plugin.geb.serviceloader
grailsplugingeb