One or more recipients — the variadic arguments of the other form.
OptionalselectedSpend exactly these virtual outputs instead of letting the wallet choose.
Taken as given, like settle({ inputs }): nothing is added, so a shortfall
is an error rather than a top-up. Use when a contract must be funded from
coins outliving its timelock, which generic selection does not know about.
Object form of
IWallet.send's arguments; the variadic form has no slot for options.