DOMStorage.StorageId

{
  "id": "StorageId",
  "type": "object",
  "description": "DOM Storage identifier.",
  "properties": [
    {
      "name": "securityOrigin",
      "type": "string",
      "description": "Security origin for the storage."
    },
    {
      "name": "isLocalStorage",
      "type": "boolean",
      "description": "Whether the storage is local storage (not session storage)."
    }
  ]
}