in scala-repl/src/main/scala/spark/ztools.sc [246:255]
override def accept(obj: Any): Boolean = obj == null
override def handle(scalaInfo: ScalaVariableInfo, loopback: Loopback, depth: Int): mutable.Map[String, Any] =
mutable.Map[String, Any]()
}
class ObjectHandler(val stringSizeLimit: Int,
val manager: HandlerManager,
val referenceManager: ReferenceManager,
val timeout: Int) extends AbstractTypeHandler {