@Override
    public int hashCode() {
        return Objects.hash(finalizedFeatures, finalizedFeaturesEpoch, supportedFeatures);
    }
Returns a map of supported feature versions. Each entry in the map contains a key being a
feature name and the value being a range of versions supported by a particular broker in the
cluster.
clients/src/main/java/org/apache/kafka/clients/admin/FeatureMetadata.java