code: public boolean exists(final FedoraSession session, final String path) {
          final Session jcrSession = getJcrSession(session);
          try {
              return jcrSession.nodeExists(path);
          } catch (final RepositoryException e) {
              throw new RepositoryRuntimeException(e);
          }
      }
docs: test node existence at path
  
  @param session the session
  @param path the path
  @return whether T exists at the given path