code: private Object bindResolve(Object o, JSONObject src) {
          if (o instanceof DataBoundResolvable) {
              DataBoundResolvable dbr = (DataBoundResolvable) o;
              o = dbr.bindResolve(this,src);
          }
          return o;
      }
docs: Calls {@link DataBoundResolvable#bindResolve(StaplerRequest, JSONObject)} if the object has it.