Sonarr/NzbDrone.Core/Configuration/Config.cs

using NzbDrone.Core.Datastore;
using ServiceStack.DataAnnotations;

namespace NzbDrone.Core.Configuration
{
    public class Config : ModelBase
    {
        [Index(Unique = true)]
        public string Key { get; set; }

        public string Value { get; set; }
    }
}