@Override
  public CompletableFuture<Void> updateAsync(String key, Object updates) {
    // TODO Add support for partial updates LISAMZA-21874
    throw new SamzaException("Update is unsupported");
  }
Construct an instance of {@link CouchbaseTableWriteFunction}.
@param bucketName Name of the couchbase bucket
@param clusterNodes Some Hosts of the Couchbase cluster. Recommended to provide more than one nodes so that if
                    the first node could not be connected, other nodes can be tried.
@param valueClass Type of values
samza-kv-couchbase/src/main/java/org/apache/samza/table/remote/couchbase/CouchbaseTableWriteFunction.java