matchAll method
Implementation
Future<Iterable<BackgroundFetchRecord>> matchAll(
        [dynamic request, CacheQueryOptions? options]) =>
    js_util.promiseToFuture(
        js_util.callMethod(this, 'matchAll', [request, options]));Future<Iterable<BackgroundFetchRecord>> matchAll(
        [dynamic request, CacheQueryOptions? options]) =>
    js_util.promiseToFuture(
        js_util.callMethod(this, 'matchAll', [request, options]));