{
  "type": "select",
  "key": "app_locale_default",
  "constant": "APP_LOCALE_DEFAULT",
  "description": "Default panel language for users who have not chosen one (must match an installed translation code, e.g. en, de, fr)",
  "required": true,
  "placeholder": "en",
  "validation": "required|string|max:16",
  "options": [],
  "category": "app",
  "sensitive": false
}