code: @Deprecated
    public static final String formatProductSetName(
        String project, String location, String productSet) {
      return PRODUCT_SET_PATH_TEMPLATE.instantiate(
          "project", project,
          "location", location,
          "product_set", productSet);
    }
docs: Formats a string containing the fully-qualified path to represent a product_set resource.
  
  @deprecated Use the {@link ProductSetName} class instead.