@Override
    public String toString() {
        return "(name=" + name + ", internal=" + internal + ", partitions=" +
                partitions.stream().map(TopicPartitionInfo::toString).collect(Collectors.joining(",")) + ", authorizedOperations=" + authorizedOperations + ")";
    }
authorized operations for this topic, or null if this is not known.
clients/src/main/java/org/apache/kafka/clients/admin/TopicDescription.java