protocol GADUnifiedNativeAdUnconfirmedClickDelegate : NSObjectProtocol
Tells the delegate that native ad receives an unconfirmed click on view with asset ID. You should update user interface and ask user to confirm the click once this message is received. Use the -registerClickConfirmingView: method in GADNUnifiedNativeAd+ConfirmationClick.h to register a view that will confirm the click. Only called for Google ads and is not supported for mediated ads.
Tells the delegate that the unconfirmed click is cancelled. You should revert the user interface change once this message is received. Only called for Google ads and is not supported for mediated ads.
func nativeAdDidCancelUnconfirmedClick(_ nativeAd: GADUnifiedNativeAd)