https://www.scala-lang.org/api/2.13.x/scala-reflect/scala/reflect/api/Trees$PackageDef.html
Scala Reflection Library 2.13.18 - scala.reflect.api.Trees.PackageDef
Scala Reflection Library 2.13.18 - scala.reflect.api.Trees.PackageDef
scalareflectionlibraryapitrees