private static boolean startupTimestampAlreadyObservedByAllNodes(final NodeInfo nodeInfo, final NodeState baseline) {
        return baseline.getStartTimestamp() == nodeInfo.getStartTimestamp(); // TODO rename NodeInfo getter/setter
    }
Infer parameters from controller options. Important: does _not_ set cluster;
it must be explicitly set afterwards on the returned parameter object before
being used to compute states.
clustercontroller-core/src/main/java/com/yahoo/vespa/clustercontroller/core/ClusterStateGenerator.java