public CompletableFuture<Object> eval(final String script, final Map<String, Object> boundVars) {
        return eval(script, null, new SimpleBindings(boundVars));
    }
Evaluate a script with a {@link Map} of bindings.
gremlin-groovy/src/main/java/org/apache/tinkerpop/gremlin/groovy/engine/GremlinExecutor.java