jellyfin/MediaBrowser.Model/Entities/ApiBaseItem.cs

using System.Collections.Generic;
using MediaBrowser.Model.Users;

namespace MediaBrowser.Model.Entities
{
    /// <summary>
    /// This is a concrete class that the UI can use to deserialize
    /// It is flat in the sense that it will be used regardless of the type of BaseItem involved
    /// </summary>
    public class ApiBaseItem : BaseItem
    {
    }

    /// <summary>
    /// This is the full return object when requesting an Item
    /// </summary>
    public class ApiBaseItemWrapper<T>
        where T : BaseItem
    {
        public T Item { get; set; }

        public UserItemData UserItemData { get; set; }

        public IEnumerable<ApiBaseItemWrapper<T>> Children { get; set; }

        public bool IsFolder { get; set; }

        public string Type { get; set; }
    }
}