/// <summary>
 /// Initializes a new instance of the <see cref="ProxyActualPrices"/> class.
 /// </summary>
 /// <param name="realActualPrices">The real actual prices implementation.</param>
 public ProxyActualPrices(IActualPrices realActualPrices)
 {
     this.realActualPrices = realActualPrices;
 }
 /// <summary>
 /// Initializes a new instance of the <see cref="Client"/> class.
 /// </summary>
 /// <param name="actualPrices">The actual prices interface.</param>
 public Client(IActualPrices actualPrices)
 {
     this.actualPrices = actualPrices ?? throw new ArgumentNullException(nameof(actualPrices));
 }