static ItIt<S> tok_groupFirstNTokens_all(S s) {
  ret tok_groupFirstNTokens_all(javaTokWithAllBrackets(s));
}

static ItIt<S> tok_groupFirstNTokens_all(LS tok) {
  ret countIterator_exclusive(2, countCodeTokens(tok),
    n -> tok_groupFirstNTokens(tok, n));
}