@Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (!(o instanceof TopicStatus)) {
            return false;
        }
        TopicStatus that = (TopicStatus) o;
        return task == that.task &&
                discoverTimestamp == that.discoverTimestamp &&
                topic.equals(that.topic) &&
                connector.equals(that.connector);
    }
Get a timestamp that represents when this topic was discovered as being actively used by
this connector.

@return the discovery timestamp
connect/runtime/src/main/java/org/apache/kafka/connect/runtime/TopicStatus.java