@Override
    public boolean equals(Object o) {
        if (o == this) return true;
        if ( ! (o instanceof ClusterResources other)) return false;

        if (other.nodes != this.nodes) return false;
        if (other.groups != this.groups) return false;
        if ( ! other.nodeResources.equals(this.nodeResources)) return false;
        return true;
    }
Returns the standard cost of these resources, in dollars per hour
config-provisioning/src/main/java/com/yahoo/config/provision/ClusterResources.java