@Override
    public ElementRequirement getMaxRequirement() {
        return null == this.dedupLabels ? ElementRequirement.ID : PathProcessor.super.getMaxRequirement();
    }
@author Marko A. Rodriguez (http://markorodriguez.com)
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/filter/DedupGlobalStep.java