public void SetRequestConfiguration(RequestConfiguration requestConfiguration)
        {
            AndroidJavaClass  mobileAdsClass = new AndroidJavaClass(Utils.MobileAdsClassName);
            AndroidJavaObject requestConfigurationAndroidObject = RequestConfigurationClient.BuildRequestConfiguration(requestConfiguration);

            mobileAdsClass.CallStatic("setRequestConfiguration", requestConfigurationAndroidObject);
        }
        public RequestConfiguration GetRequestConfiguration()
        {
            AndroidJavaClass     mobileAdsClass = new AndroidJavaClass(Utils.MobileAdsClassName);
            AndroidJavaObject    androidRequestConfiguration = mobileAdsClass.CallStatic <AndroidJavaObject>("getRequestConfiguration");
            RequestConfiguration requestConfiguration        = RequestConfigurationClient.GetRequestConfiguration(androidRequestConfiguration);

            return(requestConfiguration);
        }