diff --git a/VersionedMap.cpp b/VersionedMap.cpp
index 0d9054a..867824b 100644
--- a/VersionedMap.cpp
+++ b/VersionedMap.cpp
@@ -1048,6 +1048,7 @@ VersionedMap::Iterator &VersionedMap::Iterator::operator++() {
 
 VersionedMap::Iterator VersionedMap::Iterator::operator++(int) {
   auto result = *this;
+  // TODO Interposable call
   ++*this;
   return result;
 }
@@ -1101,6 +1102,7 @@ VersionedMap::Iterator &VersionedMap::Iterator::operator--() {
 
 VersionedMap::Iterator VersionedMap::Iterator::operator--(int) {
   auto result = *this;
+  // TODO Interposable call
   --*this;
   return result;
 }
@@ -1168,8 +1170,10 @@ void VersionedMap::Impl::firstGeq(const Key *key, const int64_t *version,
       iterator[i].impl->mutationIndex = 0;
     }
 
+    // TODO Interposable call
     auto m = *iterator[i];
     if (Key{m.param1, m.param1Len} < key[i]) {
+      // TODO Interposable call
       ++iterator[i];
     }
   }