public final Bindings getAsBindings() {
        final Bindings bindings = new SimpleBindings();
        graphs.forEach(bindings::put);
        traversalSources.forEach(bindings::put);
        return bindings;
    }
Get the {@link Graph} and {@link TraversalSource} list as a set of bindings.
gremlin-server/src/main/java/org/apache/tinkerpop/gremlin/server/util/DefaultGraphManager.java