public async void Main()
{
  // Make sure you set these (or similar)
  var url = Environment.GetEnvironmentVariable("SUPABASE_URL")
  var key = Environment.GetEnvironmentVariable("SUPABASE_KEY")

  await Supabase.Client.Initialize(url, key);
  // That's it - forreal. Crazy right?

  // The Supabase Instance can be accessed at any time using:
  //  Supabase.Client.Instance {.Realtime|.Auth|etc.}
  // For ease of readability we'll use this:
  var instance = Supabase.Client.Instance;

  // Access Postgrest using:
  var channels = await instance.From<Channel>().Get();

  // Access Auth using:
  await instance.Auth.SignIn(email, password);
  Debug.WriteLine(instance.Auth.CurrentUser.Id);

  // Interested in Realtime Events?
  var table = await instance.From<Channel>();
  table.On(ChannelEventType.Insert, Channel_Inserted);
  table.On(ChannelEventType.Delete, Channel_Deleted);
  table.On(ChannelEventType.Update, Channel_Updated);

  // Run a Remote Stored Procedure:
  await instance.Rpc("my_cool_procedure", params);
}

[Table("messages")]
public class Message : SupabaseModel
{
    // `ShouldInsert` Set to false so-as to honor DB generated key
    // If the primary key was set by the application, this could be omitted.
    [PrimaryKey("id", false)]
    public int Id { get; set; }

    [Column("username")]
    public string UserName { get; set; }

    [Column("channel_id")]
    public int ChannelId { get; set; }
}