class TaskMetricGroup extends ComponentMetricGroup<TaskManagerJobMetricGroup> {

	public OperatorMetricGroup getOrAddOperator(String name) {
		return getOrAddOperator(OperatorID.fromJobVertexID(vertexId), name);
	}

	public  TaskMetricGroup(
			MetricRegistry registry,
			TaskManagerJobMetricGroup parent,
			@Nullable JobVertexID vertexId,
			AbstractID executionId,
			@Nullable String taskName,
			int subtaskIndex,
			int attemptNumber);

}