in scala-interpreter/src/main/scala-2.12/org/apache/toree/kernel/interpreter/scala/ScalaInterpreterSpecific.scala [48:57]
protected def convertAnnotationsToModifiers(
annotationInfos: List[Global#AnnotationInfo]
) = annotationInfos map {
case a if a.toString == "transient" => "@transient"
case a =>
logger.debug(s"Ignoring unknown annotation: $a")
""
} filterNot {
_.isEmpty
}