code: @Override
    public PathImpl schemeWalk(String userPath,
                           Map<String,Object> newAttributes,
                           String newPath, int offset)
    {
      return getWrappedPath().schemeWalk(userPath, newAttributes,
                                         newPath, offset);
    }
docs: Path-specific lookup.  Path implementations will override this.
  
  @param userPath the user's lookup() path.
  @param newAttributes the attributes for the new path.
  @param newPath the lookup() path
  @param offset offset into newPath to start lookup.
  
  @return the found path