public void finishSnapshot() {
        getOrCreateFeaturesDelta().finishSnapshot();
        getOrCreateClusterDelta().finishSnapshot();
        getOrCreateTopicsDelta().finishSnapshot();
        getOrCreateConfigsDelta().finishSnapshot();
        getOrCreateClientQuotasDelta().finishSnapshot();
        getOrCreateProducerIdsDelta().finishSnapshot();
        getOrCreateAclsDelta().finishSnapshot();
        getOrCreateScramDelta().finishSnapshot();
        getOrCreateDelegationTokenDelta().finishSnapshot();
    }
Create removal deltas for anything which was in the base image, but which was not
referenced in the snapshot records we just applied.
metadata/src/main/java/org/apache/kafka/image/MetadataDelta.java