clear method
Clear all cached content
Implementation
Future<void> clear() async {
_memoryCache.clear();
if (_config.persistToDisk && _cacheFile != null) {
try {
if (await _cacheFile!.exists()) {
await _cacheFile!.delete();
}
} catch (e) {
if (kDebugMode) {
print('Cache clear warning: $e');
}
}
}
}