classEndRateMeterFunction extends AbstractRichFunction with MapFunction[InterpretationResult, InterpretationResult] with SinkFunction[InterpretationResult]
case classInitContextFunction(processId: String, taskName: String) extends RichMapFunction[Any, Context] with ContextInitializingFunction with Product with Serializable
case classNodeCountMetricFunction[T](nodeId: String) extends RichMapFunction[T, T] with Product with Serializable