@Override
        public CloseableIterator<R> execute(final ServiceCallContext ctx, final Map params) {
            return CloseableIterator.of(lambda.apply(ctx, params));
        }
Does this service support all of the specified types.
tinkergraph-gremlin/src/main/java/org/apache/tinkerpop/gremlin/tinkergraph/services/TinkerServiceRegistry.java