private Collection<String> parseIgnoredVariables() {
    final String s = myIgnoredVariables.getText();
    final List<String> ignored = new ArrayList<>();
    final StringTokenizer st = new StringTokenizer(s, ";");
    while (st.hasMoreElements()) {
      ignored.add(st.nextElement().trim());
    }

    return ignored;
  }
private Collection<String> parseIgnoredVariables()