OptionalmaxOptionalsetupMaximum wall-clock time spent waiting for destination setup. Defaults to 60 seconds; maximum 24 hours.
OptionalpollDelay between setup-state reads. Defaults to one second; maximum 2^31-1 milliseconds.
OptionalexpectedOptional caller assertion for the authenticated principal kind.
OptionalsignalCaller cancellation for reads, replacement, and polling delays.
OptionalinputHandler forwarded to each protocol task.
OptionaltaskPer-call task options. The lifecycle signal takes precedence.
OptionalcreateTest/host override. Called once per guarded replacement attempt.
Maximum total guarded replacement attempts, including the first write. Defaults to 3; maximum 10.