DescribeOperator

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods
Total	4 of 8	50%	0 of 0	n/a	1	2	2	4	1	2
visit(QueryModelVisitor)		0%		n/a	1	1	2	2	1	1
DescribeOperator(TupleExpr)		100%		n/a	0	1	0	2	0	1