using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Runtime.Serialization.Formatters;

using System.IO;

using System.Data;

using System.ComponentModel.DataAnnotations;

using System.Globalization;

using System.Reflection;

using System.Collections.ObjectModel;

​

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using Newtonsoft.Json.Converters;

using Newtonsoft.Json.Serialization;    

​

using NUnit.Framework; // Throws NUnit.Framework.AssertionException

​

//https://stackoverflow.com/questions/72534815/expected-end-object-but-found-field-name

​

    #region Manually created from Must

​

    public interface IMustConstraint { }

​

    public class RangeConstraint : IMustConstraint

    {

        public Range range { get; set; }

    }

    public class WildcardConstraint : IMustConstraint

    {

        public Wildcard wildcard { get; set; }

    }

​

    #endregion Manually created from Must

​

    public class Range

    {

        [JsonProperty("@timestamp")]

        public Timestamp Timestamp { get; set; }

    }

​

    public class Timestamp

    {

        public string gte { get; set; }

        public string lt { get; set; }

    }

​

    public class Wildcard

    {

        [JsonProperty("request.keyword")]

        public RequestKeyword RequestKeyword { get; set; }

    }

​

    public class RequestKeyword

    {

        public string value { get; set; }

        public bool case_insensitive { get; set; }

    }

​

    public class BoolQuery // Renamed from Bool for clarity

    {

        public List<IMustConstraint> must { get; set; } // Modified from List<Must>

    }

​

    public class Query

    {

        public BoolQuery @bool { get; set; }

    }

​

    public class Root

    {

        public Query query { get; set; }

    }

​

    class TestClass

    {

        public static void Test()

        {

            Root root = new ()

            {

                query = new ()

                {

                    @bool = new ()

                    {

                        must = new ()

                        {

                            new RangeConstraint() { range = new () { Timestamp = new () { gte = "now-7d", lt = "now" } } },

                            new WildcardConstraint() { wildcard = new () { RequestKeyword = new () { value = "/message/*/*-message/2c35669dd87e471faad1f90374d8d380/status", case_insensitive = true } } },

                        },

                    },

                },

            };

            var json = JsonConvert.SerializeObject(root, Formatting.Indented);

            Console.WriteLine(json);

            Assert.IsTrue(JToken.DeepEquals(JToken.Parse(json), JToken.Parse(GetRequiredJson())));

        }   

        static string GetRequiredJson() => @"{

  ""query"": {

    ""bool"": {

      ""must"": [

        {

          ""range"": {

            ""@timestamp"": {

              ""gte"": ""now-7d"",

              ""lt"": ""now""

            }

          }

        },

              {

          ""wildcard"": {

            ""request.keyword"": {

              ""value"": ""/message/*/*-message/2c35669dd87e471faad1f90374d8d380/status"",

              ""case_insensitive"": true

            }

          }

        }

      ]     

    }

  }

}";

    }

​

    public class Program

    {

        public static void Main()

        {

            Console.WriteLine("Environment version: {0} ({1})", System.Runtime.InteropServices.RuntimeInformation.FrameworkDescription , Environment.Version);

            Console.WriteLine("{0} version: {1}", typeof(JsonSerializer).Assembly.GetName().Name,  typeof(JsonSerializer).Assembly.FullName);

            Console.WriteLine();

​

            try

            {

                TestClass.Test();

            }

            catch (Exception ex)

            {

                Console.WriteLine("Failed with unhandled exception: ");

                Console.WriteLine(ex);

                throw;

            }

        }

    }

​