presto-main/src/main/java/io/prestosql/sql/planner/iterative/rule/TransformCorrelatedInPredicateToJoin.java/TransformCorrelatedInPredicateToJoin/getPattern
class TransformCorrelatedInPredicateToJoin:    @Override
    public Pattern<ApplyNode> getPattern()
    {
        return PATTERN;
    }