Youshido\Tests\StarWars\Schema\CharacterInterface::build PHP Method

    public function build($config)
    {
        $config->addField('id', new NonNullType(new IdType()))->addField('name', new NonNullType(new StringType()))->addField('friends', ['type' => new ListType(new CharacterInterface()), 'resolve' => function ($value) {
            return $value['friends'];
        }])->addField('appearsIn', new ListType(new EpisodeEnum()));
    }