Optional Each component in the new installer is optional. Users can install the component defined in the new installer, use the equivalent component in `istio-system`, configured with the official installer, or use a different version or implementation. For example you may use your own Prometheus and Grafana installs, or you may use a specialized/custom certificate provisioning tool, or use components that are centrally managed and running in a different cluster. This is a work in progress - building on...

              {
               "tag": "istio.namespace",
               "literal": {
                "value": "default"
               }
              }
             ]
            },
            "use_remote_address": false,
            "upgrade_configs": [
             {
              "upgrade_type": "websocket"
             }
            ],
            "stream_idle_timeout": "0s",