/// <summary>
        /// Add new float values to update attribute values stored in Sphinx index by document IDs.
        /// </summary>
        /// <param name="name">Attribute name</param>
        /// <param name="values">Document id and override values map to override</param>
        /// <returns>New object</returns>
        public AttributeUpdateString Add(string name, IDictionary <long, string> values)
        {
            AttributeUpdateString item = new AttributeUpdateString(name, values);

            Add(item);
            return(item);
        }
        /// <summary>
        /// Add new string value to update attribute value stored in Sphinx index by document ID.
        /// </summary>
        /// <param name="name">Attribute name</param>
        /// <param name="id">Document ID</param>
        /// <param name="value">New value</param>
        /// <returns>New object</returns>
        public AttributeUpdateString Add(string name, long id, string value)
        {
            Dictionary <long, string> dict = new Dictionary <long, string>();

            dict.Add(id, value);
            AttributeUpdateString item = new AttributeUpdateString(name, dict);

            Add(item);
            return(item);
        }