Umbraco-CMS/src/Umbraco.Core/Web/ICookieManager.cs

namespace Umbraco.Web
{
    public interface ICookieManager
    {
        void ExpireCookie(string cookieName);
        string GetCookieValue(string cookieName);
        void SetCookieValue(string cookieName, string value);
        bool HasCookie(string cookieName);
    }

}