public void addNamingListener(Name target, String filter, SearchControls ctls, NamingListener l) throws NamingException;
void addNamingListener(Name target, String filter, SearchControls ctls, NamingListener l) throws NamingException;
  public void addNamingListener(Name target, String filter, SearchControls ctls,  				NamingListener l) throws NamingException;