public final void requestInterstitialAd(
     MediationInterstitialListener mediationinterstitiallistener,
     Activity activity,
     CustomEventServerParameters customeventserverparameters,
     MediationAdRequest mediationadrequest,
     com.google.android.gms.ads.c.b.b b1) {
   zzba = (CustomEventInterstitial) zzj(customeventserverparameters.className);
   if (zzba == null) {
     mediationinterstitiallistener.onFailedToReceiveAd(
         this, com.google.ads.AdRequest.ErrorCode.INTERNAL_ERROR);
     return;
   }
   if (b1 == null) {
     b1 = null;
   } else {
     b1 = ((com.google.android.gms.ads.c.b.b) (b1.a(customeventserverparameters.label)));
   }
   zzba.requestInterstitialAd(
       zza(mediationinterstitiallistener),
       activity,
       customeventserverparameters.label,
       customeventserverparameters.parameter,
       mediationadrequest,
       b1);
 }
 public void onReceivedAd() {
   b.a(3);
   zzbd.onReceivedAd(zzbe);
 }
 public void onPresentScreen() {
   b.a(3);
   zzbd.onPresentScreen(zzbb);
 }
 public void onLeaveApplication() {
   b.a(3);
   zzbd.onLeaveApplication(zzbb);
 }
 public void onFailedToReceiveAd() {
   b.a(3);
   zzbd.onFailedToReceiveAd(zzbb, com.google.ads.AdRequest.ErrorCode.NO_FILL);
 }
 public void onDismissScreen() {
   b.a(3);
   zzbd.onDismissScreen(zzbb);
 }