public static Io.Builder createIoBuilder(final String graphFormat) throws ClassNotFoundException, IllegalAccessException, InstantiationException {
        final Class<Io.Builder> ioBuilderClass = (Class<Io.Builder>) Class.forName(graphFormat);
        final Io.Builder ioBuilder = ioBuilderClass.newInstance();
        return ioBuilder;
    }
Creates a basic Gryo-based {@link Io.Builder}.
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/structure/io/IoCore.java