code: public com.google.api.ads.adwords.axis.v201809.cm.Image getProductImage() {
          return productImage;
      }
docs: Gets the productImage value for this ProductImage.
  
  @return productImage   * Product image. An image must first be created using the MediaService,
  and Image.mediaId must be
  populated when creating a {@link "ProductImage"}.
  Valid image types are GIF, JPEG, and PNG. The
  minimum size is 300x300 and the aspect ratio must
  be 1:1 (+-1%).
  <span class="constraint Required">This field is required
  and should not be {@code null} when it is contained within {@link
  Operator}s : ADD.</span>