public string TextGetLanguage(string text, LanguageParams parameters)
        {
            CheckText(text);
            parameters.Text = text;

            return POST("TextGetLanguage", "text", parameters);
        }
        public string URLGetLanguage(string url, LanguageParams parameters)
        {
            CheckURL(url);
            parameters.Url = url;

            return GET("URLGetLanguage", "url", parameters);
        }
        public string HTMLGetLanguage(string html, string url, LanguageParams parameters)
        {
            CheckHTML(html, url);
            parameters.Html = html;
            parameters.Url = url;

            return POST("HTMLGetLanguage", "html", parameters);
        }