"upgrade_configs": [
                                      {
                                        "upgrade_type": "CONNECT",
                                        "connect_config": {}
                                      }
                                    ]
                                  }
                                }
                              ]

                                    "upgrade_configs": [
                                      {
                                        "upgrade_type": "CONNECT",
                                        "connect_config": {}
                                      }
                                    ]
                                  }
                                }
                              ]
                            }

                 "route": {
                  "cluster": "main_internal",
                  "upgrade_configs": [
                   {
                    "upgrade_type": "CONNECT",
                    "connect_config": {}
                   }
                  ]
                 },
                 "typed_per_filter_config": {
                  "connect_authority": {