{
  "type": "object",
  "properties": {
    "propertyNames": {
      "type": "string",
      "enum": [
        "after-init",
        "after-update",
        "after-upgrade",
        "after-check",
        "after-render",
        "before-init",
        "before-update",
        "before-upgrade",
        "before-check",
        "before-render"
      ]
    },
    "additionalProperties": {
      "type": "string"
    }
  }
}