}
            ],
            "host_selection_retry_max_attempts": "5",
            "retriable_status_codes": [
             503
            ]
           },
           "cluster_not_found_response_code": "INTERNAL_SERVER_ERROR",
           "max_grpc_timeout": "0s"
          },
          "metadata": {
           "filter_metadata": {
            "istio": {

                                "text_format_source": {

{
  "configs": [
    {
      "@type": "type.googleapis.com/envoy.admin.v3.BootstrapConfigDump",
      "bootstrap": {
        "node": {
          "metadata": {
            "ISTIO_PROXY_SHA": "istio-proxy:436f365a8007cd8a13a9f1321e7cce94bcc8883e",
            "ISTIO_VERSION": "1.10.0"
          },
          "userAgentBuildVersion": {
            "version": {
              "majorNumber": 1,
              "minorNumber": 18,
              "patch": 3

                                "name": "default.httpbin-rate-limiting",
                                "vm_config": {
                                    "runtime": "envoy.wasm.runtime.v8",
                                    "code": {
                                        "local": {