presto-main/src/main/java/io/prestosql/sql/planner/iterative/rule/TransformCorrelatedInPredicateToJoin.java/TransformCorrelatedInPredicateToJoin/getDecorrelatedNode
class TransformCorrelatedInPredicateToJoin:        public PlanNode getDecorrelatedNode()
        {
            return decorrelatedNode;
        }