what the value is
the value
OptionallifetimeS: unknown
its lifetime, in seconds; unbounded values get a day
OptionalusedCode: string
the error code of a value already spent
{ ok: true, handle }, or { ok: false, reason, errorCode } with
reason used or store
Claims a value once across the cluster before acting on it (
gnap.<kind>scope), for the value's lifetime plus a skew.Never rejects.