presto-main/src/main/java/io/prestosql/sql/planner/iterative/rule/ExpressionRewriteRuleSet.java/ExpressionRewriteRuleSet/projectExpressionRewrite
class ExpressionRewriteRuleSet:    public Rule<?> projectExpressionRewrite()
    {
        return new ProjectExpressionRewrite(rewriter);
    }