set static method
Implementation
static Future<void> set(String key, dynamic data, Duration dur) async {
final exp = DateTime.now().add(dur);
_mem[key] = _Entry(data, exp);
try {
await ApStorage.set(
'$_prefix$key',
jsonEncode({'d': data, 'e': exp.millisecondsSinceEpoch}),
);
} catch (_) {}
AutoPilotLogger.cache('SET', key);
}