jellyfin/MediaBrowser.Controller/Entities/IByReferenceItem.cs

namespace MediaBrowser.Controller.Entities
{
    /// <summary>
    /// This is a marker class that tells us that a particular item type may be physically resolved
    /// more than once within the library and we need to be sure to resolve them all to the same
    /// instance of that item.
    /// </summary>
    public interface IByReferenceItem
    {
    }
}