public static ResponseWait fromString(String value) throws InvalidContentException {
            if (value.equalsIgnoreCase(WAIT_UNTIL_CLUSTER_ACKED.name)) {
                return WAIT_UNTIL_CLUSTER_ACKED;
            } else if (value.equalsIgnoreCase(NO_WAIT.name)) {
                return NO_WAIT;
            }
            throw new InvalidContentException(String.format("Invalid value for response-wait: '%s', expected one of '%s', '%s'",
                    value, WAIT_UNTIL_CLUSTER_ACKED.name, NO_WAIT.name));
        }
Return without waiting for state change to be ACKed by cluster.
clustercontroller-utils/src/main/java/com/yahoo/vespa/clustercontroller/utils/staterestapi/requests/SetUnitStateRequest.java