code: @Deprecated
    public static final String formatDataItemName(String project, String dataset, String dataItem) {
      return DATA_ITEM_PATH_TEMPLATE.instantiate(
          "project", project,
          "dataset", dataset,
          "data_item", dataItem);
    }
docs: Formats a string containing the fully-qualified path to represent a data_item resource.
  
  @deprecated Use the {@link DataItemName} class instead.