@Override
    public boolean equals(final Object other) {
        if (super.equals(other)) {
            final RangeGlobalStep typedOther = (RangeGlobalStep) other;
            return typedOther.low.get() == this.low.get() && typedOther.high.get() == this.high.get();
        }
        return false;
    }
@author Bob Briody (http://bobbriody.com)
@author Marko A. Rodriguez (http://markorodriguez.com)
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/filter/RangeGlobalStep.java