public Builder batchSize(final int batchSize) {
            this.batchSize = batchSize;
            return this;
        }
The per client request override for the client and server configured {@code resultIterationBatchSize}. If
this value is not set, then the configuration for the {@link Cluster} is used unless the
{@link RequestMessage} is configured completely by the user.
gremlin-driver/src/main/java/org/apache/tinkerpop/gremlin/driver/RequestOptions.java