presto-main/src/main/java/io/prestosql/execution/SqlTaskExecution.java/SqlTaskExecution/SchedulingLifespan
class SqlTaskExecution:        public SchedulingLifespan(Lifespan lifespan, SchedulingLifespanManager manager)
        {
            this.lifespan = requireNonNull(lifespan, "lifespan is null");
            this.manager = requireNonNull(manager, "manager is null");
        }