sS extractKeywordPlusBracketed(S keyword, S s) {
  LS tok = javaTokWithCurlyBrackets(s);
  if (countCodeTokens(tok) == 2 && eq(firstCodeToken(tok), keyword)
    && tok_isRoundOrCurlyBracketed(secondCodeToken(tok)))
    ret tok_deRoundOrCurlyBracket(secondCodeToken(tok));
  null;
}