code: @Override
      public Object getMember(String name) {
          switch (name) {
              case "appName":
                  return F_appName;
              case "config":
                  return F_config;
              case "master":
                  return F_master;
              case "enableHiveSupport":
                  return F_enableHiveSupport;
              case "getOrCreate":
                  return F_getOrCreate;
          }
          return super.getMember(name);
      }
docs: get the value of that named property