public static DistributionConfigBundle of(StorDistributionConfig config) {
        return new DistributionConfigBundle(config);
    }
Immutable encapsulation of a content cluster distribution configuration,
including the original config object as well as its processed Distribution
and Slime config representations.
clustercontroller-core/src/main/java/com/yahoo/vespa/clustercontroller/core/DistributionConfigBundle.java