@Override
 public void saveAdditionalData(@NotNull SdkAdditionalData data, @NotNull Element e) {
   if (data instanceof AndroidSdkAdditionalData) {
     ((AndroidSdkAdditionalData) data).save(e);
   }
 }
 @Nullable
 private static Sdk getInternalJavaSdk(@NotNull Sdk sdk) {
   AndroidSdkAdditionalData data = getAndroidSdkAdditionalData(sdk);
   return data != null ? data.getJavaSdk() : null;
 }
 public void saveAdditionalData(SdkAdditionalData data, Element e) {
   if (data instanceof AndroidSdkAdditionalData) {
     ((AndroidSdkAdditionalData) data).save(e);
   }
 }