TrackableEntities.Core | Change-tracking across service boundaries with .NET Core

public class Product : ITrackable, IMergeable
{
    public int ProductId { get; set; }
    public string ProductName { get; set; }
    public decimal? UnitPrice { get; set; }

    [NotMapped]
    public TrackingState TrackingState { get; set; }

      

// Set state to added
order.TrackingState = TrackingState.Added;

// Apply changes to context
_context.ApplyChanges(order);

// Persist changes
await _context.SaveChangesAsync();

// Populate reference properties
await _context.LoadRelatedEntitiesAsy