code: protected String[] getPaths (String pkgPath, String key)
      {
  
          String bundle = _loader.getBundle(pkgPath);
          Preconditions.checkNotNull(bundle,
              "Unable to find the bundle name for a package [package=%s, key=%s]", pkgPath, key);
          String[] names = _loader.getPaths(pkgPath, key);
          Preconditions.checkNotNull(names, "No such sound [package=%s, key=%s]", pkgPath, key);
          String[] paths = new String[names.length];
          for (int ii = 0; ii < paths.length; ii++) {
              paths[ii] = bundle + ":" + names[ii];
          }
          return paths;
      }
docs: Returns bundle:path for all sounds under key in pkgPath.