presto-spi/src/main/java/io/prestosql/spi/eventlistener/StageGcStatistics.java/StageGcStatistics/StageGcStatistics
class StageGcStatistics:    @JsonCreator
    public StageGcStatistics(
            @JsonProperty("stageId") int stageId,
            @JsonProperty("tasks") int tasks,
            @JsonProperty("fullGcTasks") int fullGcTasks,
            @JsonProperty("minFullGcSec") int minFullGcSec,
            @JsonProperty("maxFullGcSec") int maxFullGcSec,
            @JsonProperty("totalFullGcSec") int totalFullGcSec,
            @JsonProperty("averageFullGcSec") int averageFullGcSec)
    {
        this.stageId = stageId;
        this.tasks = tasks;
        this.fullGcTasks = fullGcTasks;
        this.minFullGcSec = minFullGcSec;
        this.maxFullGcSec = maxFullGcSec;
        this.totalFullGcSec = totalFullGcSec;
        this.averageFullGcSec = averageFullGcSec;
    }