private final DataSize outputDataSize;
private final long outputPositions;
private final List<OperatorStats> operatorSummaries;
private final List<DriverStats> drivers;
@JsonCreator
<BUG>public PipelineStats(
@JsonProperty("firstStartTime") DateTime firstStartTime,</BUG>
@JsonProperty("lastStartTime") DateTime lastStartTime,
@JsonProperty("lastEndTime") DateTime lastEndTime,
@JsonProperty("inputPipeline") boolean inputPipeline,

private final DataSize outputDataSize;
private final long outputPositions;
private final List<OperatorStats> operatorSummaries;
private final List<DriverStats> drivers;
@JsonCreator
public PipelineStats(
@JsonProperty("pipelineId") int pipelineId,
@JsonProperty("firstStartTime") DateTime firstStartTime,
@JsonProperty("lastStartTime") DateTime lastStartTime,
@JsonProperty("lastEndTime") DateTime lastEndTime,
@JsonProperty("inputPipeline") boolean inputPipeline,
