public class Argument
  {

    [System.ConsoleParameter(
            Name="-webUrl"
          , IsRequired=true
          , ParameterType=typeof(string))]
    public string WebUrl { get; set; }

    [System.ConsoleParameter(
            Name="-count"
            , IsRequired = false
            , ParameterType= typeof(int))]
    public int Count { get; set; }

  }

  class Program
  {
    static void Main(string[] args)
    {
      ParseResult<Argument> pa = ArgumentBuilder.Create<Argument>(args);

    }
  }