code: public com.google.api.ads.admanager.axis.v201811.Size getAssetSize() {
          return assetSize;
      }
docs: Gets the assetSize value for this InternalRedirectCreative.
  
  @return assetSize   * The asset size of an internal redirect creative.
  Note that this may differ from {@code size} if
  users set {@code overrideSize} to true.
  This attribute is read-only and is populated
  by Google.