ShippingAddressPage.Map.cs

public partial class ShippingAddressPage
{
    public string Country
    {
        get => new SelectElement(driver.FindElement(By.Name("enterAddressCountryCode"))).SelectedOption.Text;
        set => new SelectElement(driver.FindElement(By.Name("enterAddressCountryCode"))).SelectByText(value);
    }

    public string FullName
    {
        get => driver.FindElement(By.Id("enterAddressFullName")).Text;
        set => driver.FindElement(By.Id("enterAddressFullName")).SendKeys(value);
    }
}