@Override
        public boolean equals(Object o) {
            if (this == o) return true;
            if (o == null || getClass() != o.getClass()) return false;
            Node node = (Node) o;
            return nodeId == node.nodeId && Objects.equals(endpoints, node.endpoints);
        }
Return the last millisecond timestamp at which this replica was known to be
caught up with the leader.
@return The value of the lastCaughtUpTime if known, empty otherwise
clients/src/main/java/org/apache/kafka/clients/admin/QuorumInfo.java