svoid tok_delegateTo(LS tok) {
  ITokCondition cond = (_tok, nIdx) -> !(empty(_get(_tok, nIdx)) && eqGet(_tok, nIdx-1, "."));
  
  jreplace(tok, "delegate <id> to <id>.", "replace $2 with $4.$2.", cond);
  jreplace(tok, "delegate <id> to <id>().", "replace $2 with $4().$2.", cond);
  // TODO: general expressions in "to" clause
}