text: #import <Foundation/Foundation.h>
  
  #pragma mark - internal keys
  extern NSString *const SwrveNotificationDeprecatedDeeplinkKey;
  extern NSString *const SwrveNotificationDeeplinkKey;
  extern NSString *const SwrveNotificationIdentifierKey;
  
  #pragma mark - notification keys
  extern NSString *const SwrveNotificationContentIdentifierKey;
  extern NSString *const SwrveNotificationContentVersionKey;
  extern int const SwrveNotificationContentVersion;
  extern NSString *const SwrveNotificationCampaignTypeKey;
  extern NSString *const SwrveNotificationCampaignTypeGeo;
  extern NSString *const SwrveNotificationCampaignTypePush;
  extern NSString *const SwrveNotificationEventPayload;
  extern NSString *const SwrveNotificationAuthenticatedUserKey;
  extern NSString *const SwrveNotificationMediaDownloadFailed;
  
  #pragma mark - campaign key
  extern NSString *const SwrveCampaignKey;
  
  #pragma mark - rich media keys
  extern NSString *const SwrveNotificationMediaKey;
  extern NSString *const SwrveNotificationTitleKey;
  extern NSString *const SwrveNotificationSubtitleKey;
  extern NSString *const SwrveNotificationBodyKey;
  extern NSString *const SwrveNotificationUrlKey;
  extern NSString *const SwrveNotificationFallbackUrlKey;
  extern NSString *const SwrveNotificationFallbackDeeplinkKey;
  
  #pragma mark - category button keys
  extern NSString *const SwrveNotificationButtonListKey;
  extern NSString *const SwrveNotificationButtonTitleKey;
  extern NSString *const SwrveNotificationButtonActionTypeKey;
  extern NSString *const SwrveNotificationButtonTypeKey;
  extern NSString *const SwrveNotificationButtonActionKey;
  extern NSString *const SwrveNotificationCategoryOptionsKey;
  extern NSString *const SwrveNotificationCustomButtonUrlIdentiferKey;
  extern NSString *const SwrveNotificaitonCustomButtonCampaignIdentiferKey;
  
  #pragma mark - category option / action keys
  extern NSString *const SwrveNotificationCategoryTypeOptionsCarPlayKey;
  extern NSString *const SwrveNotificationCategoryTypeOptionsCustomDismissKey;
  extern NSString *const SwrveNotificationCategoryTypeOptionsHiddenShowTitleKey;
  extern NSString *const SwrveNotificationCategoryTypeOptionsHiddenShowSubtitleKey;
  extern NSString *const SwrveNotificationActionTypeForegroundKey;
  extern NSString *const SwrveNotificationActionTypeDestructiveKey;
  extern NSString *const SwrveNotificationActionTypeAuthorisationKey;
  extern NSString *const SwrveNotificationHiddenPreviewTextPlaceholderKey;
  extern NSString *const SwrveNotificationResponseDefaultActionKey;
  