ProgressEventJsonWriter

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods
Total	40 of 158	74%	9 of 14	35%	9	11	5	20	0	2
escape(String)		44%		25%	6	7	5	11	0	1
write(ProgressEvent)		93%		50%	3	4	0	9	0	1