@Override
    public boolean equals(Object o) {
        if (o == null || !o.getClass().equals(this.getClass())) return false;
        SnapshotManifest other = (SnapshotManifest) o;
        return provenance.equals(other.provenance) &&
                elapsedNs == other.elapsedNs;
    }
The time in microseconds that it took to load the snapshot.
metadata/src/main/java/org/apache/kafka/image/loader/SnapshotManifest.java