Corrected the deprecation warning when subscribing to or unsubscribing from a topic (#1425)

1 files changed, 9 insertions, 0 deletions

diff --git a/Firebase/Messaging/FIRMessagingPubSub.h b/Firebase/Messaging/FIRMessagingPubSub.h
index 1c615d1..ebb4ca8 100644
--- a/Firebase/Messaging/FIRMessagingPubSub.h
+++ b/Firebase/Messaging/FIRMessagingPubSub.h
@@ -139,6 +139,15 @@ NS_ASSUME_NONNULL_BEGIN
 + (NSString *)addPrefixToTopic:(NSString *)topic;
 
 /**
+ *  Removes the "/topics/" prefix from the topic.
+ *
+ *  @param topic The topic to remove the prefix from.
+ *
+ *  @return The new topic name with the "/topics/" prefix removed.
+ */
+
++ (NSString *)removePrefixFromTopic:(NSString *)topic;
+/**
  *  Check if the topic name has "/topics/" prefix.
  *
  *  @param topic The topic name to verify.