"type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisBorderShow": false,
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,

ame","value":"Workload"},{"id":"unit","value":"short"},{"id":"decimals","value":2},{"id":"custom.align"},{"id":"custom.hidden","value":true}]},{"matcher":{"id":"byName","options":"Time"},"properties":[{"id":"custom.hidden","value":true}]},{"matcher":{"id":"byName","options":"Value #A"},"properties":[{"id":"displayName","value":"Requests"},{"id":"unit","value":"ops"},{"id":"decimals","value":2},{"id":"custom.align"}]},{"matcher":{"id":"byName","options":"Value #B"},"properties":[{"id":"displayName","value":"P50...

        "type": "prometheus",
        "uid": "${datasource}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",

            Type[APIRoute],
            Doc(
                """
                Custom route (*path operation*) class to be used by this router.

                Read more about it in the
                [FastAPI docs for Custom Request and APIRoute class](https://fastapi.tiangolo.com/how-to/custom-request-and-route/#custom-apiroute-class-in-a-router).
                """
            ),
        ] = APIRoute,

            Doc(
                """
                The default response class to be used.

                Read more in the
                [FastAPI docs for Custom Response - HTML, Stream, File, others](https://fastapi.tiangolo.com/advanced/custom-response/#default-response-class).

                **Example**

                ```python
                from fastapi import FastAPI

        "type": "prometheus",
        "uid": "${datasource}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",

            "type": "boolean"
          },
          "scope": {
            "default": "",
            "description": "scope indicates whether the defined custom resource is cluster- or namespace-scoped. Allowed values are `Cluster` and `Namespaced`.",

    }

    // CustomTfOp is just a wrapper around a TF op, we export the custom Op
    // not the wrapper, so we fetch the op from the region.
    if (auto custom_op = dyn_cast<mlir::TFL::CustomTfOp>(inst)) {
      // If we have custom op with a region, then use the first op in the
      // region, if it exists, otherwise just use params for custom op.
      if (!custom_op.getBody().empty()) {

    - destination:
        host: {{ .dstSvc }}
    headers:
      request:
        add:
          istio-custom-header: user-defined-value`,
		opts: echo.CallOptions{
			Port: echo.Port{
				Name: "http",
			},
			Count: 1,
			Check: check.And(
				check.OK(),
				check.RequestHeader("Istio-Custom-Header", "user-defined-value")),
		},
		workloadAgnostic: true,
	})
	t.RunTraffic(TrafficTestCase{

  if [ -n "${CUSTOM_NETD_YAML:-}" ]; then
    # Replace with custom GCP netd deployment.
    cat > "${netd_file}" <<EOF
$CUSTOM_NETD_YAML
EOF
  fi
}

# A helper function to set up a custom yaml for a k8s addon.
#
# $1: addon category under /etc/kubernetes
# $2: manifest source dir
# $3: manifest file
# $4: custom yaml
function setup-addon-custom-yaml {
  local -r manifest_path="/etc/kubernetes/$1/$2/$3"