static L<Pair<S>> parseMultiLineIfThen(S text) {
  text = ai_ifThenToMultiLine(text);
  new L<Pair<S>> out;
  for (S line : toLinesFullTrim(text))
    out.add(parseMultiLineIfThen_line(line));
  ret out;
}

static Pair<S> parseMultiLineIfThen_line(S s) {
  ret pair(assertIdentifier(firstJavaToken(s)), trim(dropFirstJavaToken(s)));
}