setFallbackPlacements method
- String json
Load a bundled fallback-placements file (once, replacing any
previously-loaded set) so placements keep resolving offline
when both network and disk cache miss. Returns the count of entries
actually loaded; a malformed file throws RovenueException
(RovenueErrorKind.invalidArgument).
Implementation
Future<int> setFallbackPlacements(String json) => _platform.setFallbackPlacements(json);