!per #17755 removes the saved callback in plugins and adds receive

akka-actor/src/main/scala/akka/japi/JavaAPI.scala

@@ -245,4 +245,9 @@ object Util {
    */
   def immutableIndexedSeq[T](iterable: java.lang.Iterable[T]): immutable.IndexedSeq[T] =
     immutableSeq(iterable).toVector
+
+  // TODO in case we decide to pull in scala-java8-compat methods below could be removed - https://github.com/akka/akka/issues/16247
+
+  def option[T](jOption: java.util.Optional[T]): scala.Option[T] =
+    scala.Option(jOption.orElse(null.asInstanceOf[T]))
 }