code: public com.google.api.ads.admanager.axis.v201808.CreativeAsset getFallbackImageAsset() {
          return fallbackImageAsset;
      }
docs: Gets the fallbackImageAsset value for this BaseFlashCreative.
  
  @return fallbackImageAsset   * The image asset to fall back on if the flash creative cannot
  be loaded. To view
  the fallback image, use the {@link CreativeAsset#assetUrl}.