public bool Equals(ConfiguredLaptopModel otherConfiguredLaptopModel)
        {
            if (otherConfiguredLaptopModel is null)
            {
                return(false);
            }

            if (ReferenceEquals(this, otherConfiguredLaptopModel))
            {
                return(true);
            }

            foreach (var ConfigurationItem in ConfigurationItems)
            {
                var item = otherConfiguredLaptopModel.ConfigurationItems.FirstOrDefault(w => w.Id == ConfigurationItem.Id && w.Equals(ConfigurationItem));

                if (item == null)
                {
                    return(false);
                }

                if (item.Equals(ConfigurationItem))
                {
                    if (Laptop.Equals(otherConfiguredLaptopModel.Laptop))
                    {
                        return(true);
                    }
                }
            }

            return(Laptop.Equals(otherConfiguredLaptopModel.Laptop) &&
                   ConfigurationItems.Equals(otherConfiguredLaptopModel.ConfigurationItems));
        }