@Override
    public void reset() {
        super.reset();
        this.startTime.set(-1l);
        this.timedOut.set(false);
    }
@author Randall Barnhart (random pi)
@author Marko A. Rodriguez (http://markorodriguez.com)
@author Stephen Mallette (http://stephen.genoprime.com)
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/filter/TimeLimitStep.java