Extensions.cs

using Newtonsoft.Json;
using System.Text;

namespace YandexGo
{
    static class Logger
    {
        public static void Debug(string err)
        {
            //todo
        }
    }

    static class Extensions
    {
        private static readonly string _mediType = "application/json";
        private static readonly JsonSerializerSettings _serializeSettings = new()
        {
            Formatting = Formatting.Indented,
            NullValueHandling = NullValueHandling.Ignore,
        };

        public static string ToJSON(this object @this) => JsonConvert.SerializeObject(@this, _serializeSettings);

        public static StringContent ToStringContent(this object @this) => new(@this.ToJSON(), Encoding.UTF8, _mediType);
        public static StringContent ToStringContent(this string @this) => new(@this, Encoding.UTF8, _mediType);

        public static T Deserialize<T>(this string @this) => JsonConvert.DeserializeObject<T>(@this);

    }
}