iCompleter = rlc; setCompleterImpl(rlc);
setCompleterImpl(iCompleter);
  public static void setCompleter(ReadlineCompleter rlc) {    if (iLib != ReadlineLibrary.PureJava) {      iCompleter = rlc;      setCompleterImpl(rlc);    } else if (iThrowException)      throw new UnsupportedOperationException();  }