/// <summary>
        /// Prepare country search model
        /// </summary>
        /// <param name="searchModel">Country search model</param>
        /// <returns>
        /// A task that represents the asynchronous operation
        /// The task result contains the country search model
        /// </returns>
        public virtual Task <CountrySearchModel> PrepareCountrySearchModelAsync(CountrySearchModel searchModel)
        {
            if (searchModel == null)
            {
                throw new ArgumentNullException(nameof(searchModel));
            }

            //prepare page parameters
            searchModel.SetGridPageSize();

            return(Task.FromResult(searchModel));
        }
        /// <summary>
        /// Prepare country search model
        /// </summary>
        /// <param name="searchModel">Country search model</param>
        /// <returns>Country search model</returns>
        public virtual CountrySearchModel PrepareCountrySearchModel(CountrySearchModel searchModel)
        {
            if (searchModel == null)
            {
                throw new ArgumentNullException(nameof(searchModel));
            }

            //prepare page parameters
            searchModel.SetGridPageSize();

            return(searchModel);
        }