class NativeResponse {

    @Nullable
    public String getCallToAction() {
        return mNativeAd.getCallToAction();
    }

    public  NativeResponse(@NonNull final Context context,
            @NonNull final DownloadResponse downloadResponse,
            @NonNull final String adUnitId,
            @NonNull final NativeAdInterface nativeAd,
            @NonNull final MoPubNativeEventListener moPubNativeEventListener);

}