1 files changed, 4 insertions, 0 deletions
diff --git a/libtransport/src/hicn/transport/protocols/indexer.h b/libtransport/src/hicn/transport/protocols/indexer.h
index 89751095e..87cf9b307 100644
--- a/libtransport/src/hicn/transport/protocols/indexer.h
+++ b/libtransport/src/hicn/transport/protocols/indexer.h
@@ -57,6 +57,8 @@ class Indexer {
 
   virtual void onContentObject(core::Interest::Ptr &&interest,
                                core::ContentObject::Ptr &&content_object) = 0;
+
+  virtual bool onKeyToVerify() = 0;
 };
 
 class IndexManager : Indexer {
@@ -87,6 +89,8 @@ class IndexManager : Indexer {
   void onContentObject(core::Interest::Ptr &&interest,
                        core::ContentObject::Ptr &&content_object) override;
 
+  bool onKeyToVerify() override;
+
  private:
   std::unique_ptr<Indexer> indexer_;
   bool first_segment_received_;