docs: function fetchJSMapPairs(distFiles) {
    let jsFiles = indexByBaseFilename(fetchFilePathsByType(distFiles, '/', 'js'));
    return fetchFilePathsByType(distFiles, '/', 'map').map(mapFile => {
      let baseFileName = getBaseFilename(mapFile);
      return {
        mapFile: mapFile,
        jsFile: jsFiles[baseFileName]
      };
    });
  }