public static ClusterState stateFromString(final String stateStr) {
        try {
            return new ClusterState(stateStr);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
Parse a given cluster state string into a returned ClusterState instance, wrapping any
parse exceptions in a RuntimeException.
vdslib/src/main/java/com/yahoo/vdslib/state/ClusterState.java