@Override
        public void recordStart(final Traverser.Admin<Object> traverser, final Traversal.Admin<Object, Object> traversal) {
            this.getBundle(traversal).startsCount++;
        }
@author Marko A. Rodriguez (http://markorodriguez.com)
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/map/MatchStep.java