docs: public PartitionInfo partitionInfo(String partitionKey) {
          if (partitionKey == null) {
              throw new UnsupportedOperationException("Cannot get partition information for null partition key.");
          }
          URI uri = new DatabaseURIHelper(db.getDBUri()).partition(partitionKey).build();
          return client.couchDbClient.get(uri, PartitionInfo.class);
      }