protected void encodeOBJECT(Inspector inspector) {
            openScope("{");
            ObjectTraverser ot = this;
            inspector.traverse(ot);
            closeScope("}");
        }
Renders the given value to the target stringbuilder with a given encoder.
This is useful to use an encoder where rendering of some value types is customized.
vespajlib/src/main/java/com/yahoo/data/access/simple/JsonRender.java