presto-main/src/main/java/io/prestosql/sql/planner/optimizations/PredicatePushDown.java/Rewriter/InnerJoinPushDownResult
class Rewriter:            private InnerJoinPushDownResult(Expression leftPredicate, Expression rightPredicate, Expression joinPredicate, Expression postJoinPredicate)
            {
                this.leftPredicate = leftPredicate;
                this.rightPredicate = rightPredicate;
                this.joinPredicate = joinPredicate;
                this.postJoinPredicate = postJoinPredicate;
            }