public static GryoPool.Builder build() {
        return new GryoPool.Builder();
    }
Gryo objects are somewhat expensive to construct (given the dependency on Kryo), therefore this pool helps re-use
those objects.

@author Marko A. Rodriguez (http://markorodriguez.com)
@author Stephen Mallette (http://stephen.genoprime.com)
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/structure/io/gryo/GryoPool.java