removeAll method
Removes multiple values from the cache.
keys - List of identifiers to remove
Returns the number of elements successfully removed
Implementation
@override
Future<int> removeAll(List<String> keys) async {
await _ensureInitialized();
int removedCount = 0;
for (final key in keys) {
if (await remove(key)) {
removedCount++;
}
}
return removedCount;
}