using System.Collections.Generic;

using Nest;

using Serilog;

using Serilog.Settings;

using System;

​

public class Program

{

    public static void Main()

    {

        var sandbox = new QuerySandbox();   

    }

}

​

public class QuerySandbox 

{

    public QuerySandbox() {

        var boolQuery = new BoolQuery

        {

            MustNot = new List<QueryContainer>

            {

                new ExistsQuery

                {

                    Field = "countryId"

                }

            }

        };

        Log.Logger = new LoggerConfiguration()

            .MinimumLevel.Debug()

            .WriteTo.Console(theme: Serilog.Sinks.SystemConsole.Themes.AnsiConsoleTheme.None)

            .CreateLogger();

        Log.Information("Bool Query {@boolQuery}",boolQuery);

    }

}