SubstitutionVisitor.new MutableRelVisitor() {...}

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods
Total	31 of 31	0%	0 of 0	n/a	2	2	6	6	2	2
visit(MutableRel)		0%		n/a	1	1	5	5	1	1
{...}		0%		n/a	1	1	1	1	1	1