copyTo method
Implementation
@override
Future<SafDocumentFile> copyTo(
String uri, bool isDir, String newParentUri) async {
final map = await methodChannel.invokeMapMethod<String, dynamic>(
'copyTo',
{'uri': uri, 'isDir': isDir, 'newParentUri': newParentUri},
);
if (map == null) {
throw Exception('Failed to copy: $uri');
}
return SafDocumentFile.fromMap(map);
}