ExternalAccountCredentials.new RequestMetadataCallback() {...}

Element	Missed Instructions	Cov.	Missed Branches	Cov.	Missed	Cxty	Missed	Lines	Missed	Methods
Total	25 of 25	0%	0 of 0	n/a	3	3	6	6	3	3
onSuccess(Map)		0%		n/a	1	1	3	3	1	1
{...}		0%		n/a	1	1	1	1	1	1
onFailure(Throwable)		0%		n/a	1	1	2	2	1	1