using System.Collections.Generic;

using Nest;

using Serilog;

using Serilog.Settings;

using System;

​

public class Program

{

    public static void Main()

    {

        var sandbox = new Sandbox();    

    }

}

​

public class Sandbox 

{

    public Sandbox() {

        var boolQuery = new BoolQuery

        {

            MustNot = new List<QueryContainer>

            {

                new ExistsQuery

                {

                    Field = "countryId"

                }

            }

        };

        Log.Logger = new LoggerConfiguration()

            .MinimumLevel.Debug()

            .WriteTo.Console()

            .CreateLogger();

        Log.Information("I am some information {@boolQuery}",boolQuery);

    }

}