/// <summary>
 /// Begin a new DeclineChallengeRequest
 /// </summary>
 /// <param name="requestData"></param>
 /// <returns></returns>
 public DeclineChallengeResponse DeclineChallengeRequest(DeclineChallengeRequest requestData)
 {
     return(JsonConvert.DeserializeObject <DeclineChallengeResponse>(Requestor.PostString(Urls.DeclineChallengeRequest, JsonHelper.SerializeData(requestData)).ResponseJson));
 }
        /// <summary>
        /// Begin a new asynchronous DeclineChallengeRequest
        /// </summary>
        /// <param name="requestData"></param>
        /// <returns></returns>
        public async Task <DeclineChallengeResponse> DeclineChallengeRequestAsync(DeclineChallengeRequest requestData)
        {
            var res = await Requestor.PostStringAsync(Urls.DeclineChallengeRequest, JsonHelper.SerializeData(requestData));

            return(JsonConvert.DeserializeObject <DeclineChallengeResponse>(res.ResponseJson));
        }