1 files changed, 3 insertions, 0 deletions
diff --git a/SwifTools/Notifier/Notifier.h b/SwifTools/Notifier/Notifier.h
index 1bcd58d..9537ec1 100644
--- a/SwifTools/Notifier/Notifier.h
+++ b/SwifTools/Notifier/Notifier.h
@@ -30,18 +30,21 @@ namespace Swift {
 
 			virtual bool isAvailable() const {
 				return true;
 			}
 
 			virtual bool isExternallyConfigured() const {
 				return false;
 			}
 
+			/** Remove any pending callbacks. */
+			virtual void purgeCallbacks() = 0;
+
 		protected:
 			std::string typeToString(Type type);
 			static std::vector<Type> getAllTypes();
 			static std::vector<Type> getDefaultTypes();
 
 			static const int DEFAULT_STATUS_NOTIFICATION_TIMEOUT_SECONDS;
 			static const int DEFAULT_MESSAGE_NOTIFICATION_TIMEOUT_SECONDS;
 	};
 }