docs: function fetchPageOfType(typePluralName, pageNumber) {
    let url = `http://swapi.co/api/${typePluralName}/`;
    if (pageNumber) {
      url += `?page=${pageNumber}`;
    };
  
    return restLoader.load(url).then((data) => {
      // Paginated results have a different shape
      return data.results;
    });
  }