/// <summary>
/// Gets an object that represents the collection navigation property from this
/// entity to a collection of related entities.
/// </summary>
/// <param name="navigationProperty"> The name of the navigation property. </param>
/// <returns> An object representing the navigation property. </returns>
public DbCollectionEntry Collection(string navigationProperty)
{
Check.NotEmpty(navigationProperty, "navigationProperty");
return(DbCollectionEntry.Create(_internalEntityEntry.Collection(navigationProperty)));
}