* more sense for us to fall back to a generic FileSystemException (by returning null here)
       * than to dereference parentPath and end up producing NullPointerException.
       */
      return null;
    }
    // requireNonNull is safe because paths have file names when they have parents.
    Path pathResolvedFromParent = parentPath.resolve(requireNonNull(path.getFileName()));

        final ModelResolver modelResolver = request.getModelResolver();
        if (workspaceResolver == null && modelResolver == null) {
            throw new NullPointerException(String.format(
                    "request.workspaceModelResolver and request.modelResolver cannot be null (parent POM %s and POM %s)",

   * @return {@code ImmutableListMultimap} mapping the result of evaluating the function {@code
   *     keyFunction} on each value in the input collection to that value
   * @throws NullPointerException if any element of {@code values} is {@code null}, or if {@code
   *     keyFunction} produces {@code null} for any key
   */
  public static <K, V> ImmutableListMultimap<K, V> index(

 * change). To access the renamed file it is necessary to construct a
 * new <tt>SmbFile</tt></i>.
 *
 * @param  dest  An <code>SmbFile</code> that represents the new pathname
 * @throws NullPointerException
 *         If the <code>dest</code> argument is <code>null</code>
 */
    public void renameTo( SmbFile dest ) throws SmbException {
        if( getUncPath0().length() == 1 || dest.getUncPath0().length() == 1 ) {