public static async Task Main()

in sample/PresignGetObject/Program.cs [26:69]
33 lines of code
3 McCabe index (conditional complexity)

        public static async Task Main(string[] args)
        {

            var parserResult = Parser.Default.ParseArguments<Options>(args);
            if (parserResult.Errors.Any())
            {
                Environment.Exit(1);
            }
            var option = parserResult.Value;

            // Specify the region and other parameters.
            var region = option.Region;
            var bucket = option.Bucket;
            var endpoint = option.Endpoint;
            var key = option.Key;

            // Using the SDK's default configuration
            // loading credentials values from the environment variables
            var cfg = OSS.Configuration.LoadDefault();
            cfg.CredentialsProvider = new OSS.Credentials.EnvironmentVariableCredentialsProvider();
            cfg.Region = region;

            if (endpoint != null)
            {
                cfg.Endpoint = endpoint;
            }

            using var client = new OSS.Client(cfg);

            var result = client.Presign(new OSS.Models.GetObjectRequest()
            {
                Bucket = bucket,
                Key = key,
            });

            using var hc = new HttpClient();
            var httpResult = await hc.GetAsync(result.Url);
            var stream = await httpResult.Content.ReadAsStreamAsync();
            using var reader = new StreamReader(stream);
            var got = await reader.ReadToEndAsync();

            Console.WriteLine("GetObject done");
            Console.WriteLine($"StatusCode: {httpResult.StatusCode}");
        }