presto-main/src/main/java/io/prestosql/execution/ScheduledSplit.java/ScheduledSplit/ScheduledSplit
class ScheduledSplit:    @JsonCreator
    public ScheduledSplit(
            @JsonProperty("sequenceId") long sequenceId,
            @JsonProperty("planNodeId") PlanNodeId planNodeId,
            @JsonProperty("split") Split split)
    {
        this.sequenceId = sequenceId;
        this.planNodeId = requireNonNull(planNodeId, "planNodeId is null");
        this.split = requireNonNull(split, "split is null");
    }