@Override
    public boolean equals(final Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        final IoX ioX = (IoX) o;

        return x.equals(ioX.x);

    }
A test class to be serialized.

@author Stephen Mallette (http://stephen.genoprime.com)
gremlin-core/src/test/java/org/apache/tinkerpop/gremlin/structure/io/IoX.java