/// <summary>
/// Initializes a new instance of the <see cref="PromotionManager"/> class.
/// </summary>
/// <param name="engine">The engine<see cref="IndustryEngine"/>.</param>
public PromotionManager(IndustryEngine engine)
{
_engine = engine;
Promotions = new List <Promotion>();
Init();
}
/// <summary>
/// Initializes a new instance of the <see cref="ProductManager"/> class.
/// </summary>
/// <param name="engine">The engine<see cref="IndustryEngine"/>.</param>
public ProductManager(IndustryEngine engine)
{
_engine = engine;
Init();
}