text: // events
  export const NOTIFICATION_WILL_SHOW = 'OneSignal-notificationWillShowInForeground';
  export const NOTIFICATION_OPENED    = 'OneSignal-remoteNotificationOpened'
  export const IN_APP_MESSAGE_CLICKED = 'OneSignal-inAppMessageClicked';
  export const PERMISSION_CHANGED = 'OneSignal-permissionChanged';
  export const SUBSCRIPTION_CHANGED = 'OneSignal-subscriptionChanged';
  export const EMAIL_SUBSCRIPTION_CHANGED = 'OneSignal-emailSubscriptionChanged';
  export const SMS_SUBSCRIPTION_CHANGED = 'OneSignal-smsSubscriptionChanged';