CollectionReadOnlyFunctions.new GetBy1() {...}

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods
Total	3 of 6	50%	0 of 0	n/a	1	2	1	2	1	2
getBy(Map)		0%		n/a	1	1	1	1	1	1
{...}		100%		n/a	0	1	0	1	0	1