@Override
        public boolean supportsTransactions() {
            return false;
        }
Return TinkerGraph feature set.
<p/>
<b>Reference Implementation Help:</b> Implementers only need to implement features for which there are
negative or instance configured features.  By default, all {@link Graph.Features} return true.
tinkergraph-gremlin/src/main/java/org/apache/tinkerpop/gremlin/tinkergraph/structure/TinkerGraph.java