How to install and use built_value with Flutter 3.10.5

You can either add the package directly using the flutter command line.

$ flutter pub add built_value

Or add the dependency directly to your pubspec.yaml file.

dependencies:
  built_value: ^8.6.1

In either case, make sure to refresh your packages by running the following command:

$ flutter pub get

Once you have installed the package, you can use it in your Flutter application by importing it.

import 'package:built_value/built_value.dart';