@Override
    public List<Step> getSteps() {
        return null == this.bypassTraversal ? Collections.emptyList() : this.bypassTraversal.getSteps();
    }
@author Marko A. Rodriguez (http://markorodriguez.com)
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/lambda/AbstractLambdaTraversal.java