diff -r 8f3c6fb55369 -r a168799687e5 mercurial/repository.py
--- a/mercurial/repository.py	Fri Apr 13 11:37:37 2018 -0700
+++ b/mercurial/repository.py	Fri Apr 13 12:13:42 2018 -0700
@@ -101,6 +101,12 @@
         Returns a set of string capabilities.
         """
 
+    def clonebundles():
+        """Obtains the clone bundles manifest for the repo.
+
+        Returns the manifest as unparsed bytes.
+        """
+
     def debugwireargs(one, two, three=None, four=None, five=None):
         """Used to facilitate debugging of arguments passed over the wire."""