getTelegramContacts method
Implementation
@override
Future<List<Contact>> getTelegramContacts() async {
final result = await methodChannel.invokeMethod<List>(
'getTelegramContacts',
);
if (result == null) return [];
return result.map((e) {
final map = Map<String, dynamic>.from(e as Map);
return Contact.fromMap(map);
}).toList();
}