Explicitly set values have highest priority, then profile settings, then chart defaults.

As an implementation detail of profiles, the default values for the chart are all nested under `defaults`.
When configuring the chart, you should not include this.
That is, `--set some.field=true` should be passed, not `--set defaults.some.field=true`.

### Examples

#### Configuring mesh configuration settings

  // sideEffects == Unknown or Some. Defaults to Unknown.
  // +optional
  optional string sideEffects = 6;

  // TimeoutSeconds specifies the timeout for this webhook. After the timeout passes,
  // the webhook call will be ignored or the API call will fail based on the
  // failure policy.
  // The timeout value must be between 1 and 30 seconds.
  // Default to 30 seconds.
  // +optional

  optional string type = 1;

  // Status of the condition, one of True, False, Unknown.
  // Approved, Denied, and Failed conditions may not be "False" or "Unknown".
  // Defaults to "True".
  // If unset, should be treated as "True".
  // +optional
  optional string status = 6;

  // brief reason for the request state
  // +optional
  optional string reason = 2;

Explicitly set values have highest priority, then profile settings, then chart defaults.

As an implementation detail of profiles, the default values for the chart are all nested under `defaults`.
When configuring the chart, you should not include this.
That is, `--set some.field=true` should be passed, not `--set defaults.some.field=true`.

### Ambient

        "skipUrlSync": false,
        "type": "datasource"
      },
      {
        "current": {
          "selected": false,
          "text": "details.default.svc.cluster.local",
          "value": "details.default.svc.cluster.local"
        },
        "datasource": {
          "type": "prometheus",
          "uid": "${datasource}"
        },
        "definition": "",

  // the default priority for pods that do not have any priority class.
  // Only one PriorityClass can be marked as `globalDefault`. However, if more than
  // one PriorityClasses exists with their `globalDefault` field set to true,
  // the smallest value of such global default PriorityClasses will be used as the default priority.
  // +optional
  optional bool globalDefault = 3;

      ],
      "title": "vCPU Usage",
      "type": "row"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${datasource}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",

  // Defaults to false.
  // +optional
  optional bool stdin = 1;

  // Stdout if true indicates that stdout is to be redirected for the attach call.
  // Defaults to true.
  // +optional
  optional bool stdout = 2;

  // Stderr if true indicates that stderr is to be redirected for the attach call.
  // Defaults to true.
  // +optional
  optional bool stderr = 3;

  // not apply to already started executions.  Defaults to false.
  // +optional
  optional bool suspend = 4;

  // Specifies the job that will be created when executing a CronJob.
  optional JobTemplateSpec jobTemplate = 5;

  // The number of successful finished jobs to retain. Value must be non-negative integer.
  // Defaults to 3.
  // +optional
  optional int32 successfulJobsHistoryLimit = 6;

defaults:
  global:
    # Used to locate istiod.
    istioNamespace: "istio-system"

  base:
    # Validation webhook configuration url
    # For example: https://$remotePilotAddress:15017/validate
    validationURL: ""

  istiodRemote:
    # Sidecar injector mutating webhook configuration url
    # For example: https://$remotePilotAddress:15017/inject
    injectionURL: ""