Returns the sign-in screen's two flags for a request's acr_values together with levels that are each REQUIRED (#432 phase 6, an authorization detail type's acr): either demand forces its flag.
acr_values
the requested values ("any of")
values every one of which is required
{ forceMfa, forceKey }
Returns the sign-in screen's two flags for a request's
acr_valuestogether with levels that are each REQUIRED (#432 phase 6, an authorization detail type's acr): either demand forces its flag.