Product.cs

public class Product : ITrackable, IMergeable
{
    public int ProductId { get; set; }
    public string ProductName { get; set; }
    public int? CategoryId { get; set; }
    public decimal? UnitPrice { get; set; }
    public bool Discontinued { get; set; }
    public byte[] RowVersion { get; set; }
    public Category Category { get; set; }

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

    [NotMapped]
    public ICollection<string> ModifiedProperties { get; set; }

    [NotMapped]
    public Guid EntityIdentifier { get; set; }
}