nadekobot/NadekoBot.Core/Common/RequireObjectPropertiesContractResolver.cs

using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;
using System;

namespace NadekoBot.Common
{
    public class RequireObjectPropertiesContractResolver : DefaultContractResolver
    {
        protected override JsonObjectContract CreateObjectContract(Type objectType)
        {
            var contract = base.CreateObjectContract(objectType);
            contract.ItemRequired = Required.DisallowNull;
            return contract;
        }
    }
}