code: public TileSet getTileSet (String name)
          throws NoSuchTileSetException
      {
          // make sure we have a repository configured
          if (_setrep == null) {
              throw new NoSuchTileSetException(name);
          }
  
          try {
              return _setrep.getTileSet(name);
          } catch (PersistenceException pe) {
              log.warning("Failure loading tileset", "name", name, "error", pe);
              throw new NoSuchTileSetException(name);
          }
      }
docs: Returns the tileset with the specified name.
  
  @throws NoSuchTileSetException if no tileset with the specified name is available via our
  configured tile set repository.