static O[] params_stylePlus(Map params, S style) {
  ret paramsPlus(params, style := joinNemptiesWithSemicolon(stringPar style(params), style));
}

static O[] params_stylePlus(O[] params, S style) {
  ret paramsPlus(params, style := joinNemptiesWithSemicolon(stringPar style(params), style));
}

static O[] params_stylePlus(S style, O... params) {
  ret params_stylePlus(params, style);
}