presto-main/src/main/java/io/prestosql/sql/planner/iterative/rule/EliminateCrossJoins.java/EliminateCrossJoins/EliminateCrossJoins
class EliminateCrossJoins:    public EliminateCrossJoins(Metadata metadata)
    {
        this.metadata = metadata;
    }