add function to return all branch prefixes
diff --git a/include/sync-logic.h b/include/sync-logic.h
index aeb39d8..7108054 100644
--- a/include/sync-logic.h
+++ b/include/sync-logic.h
@@ -27,6 +27,7 @@
 #include <boost/thread/recursive_mutex.hpp>
 #include <boost/random.hpp>
 #include <memory>
+#include <map>
 
 #include "sync-ccnx-wrapper.h"
 #include "sync-interest-table.h"
@@ -126,6 +127,9 @@
   void
   printState () const;
 
+  std::map<std::string, bool>
+  getBranchPrefixes() const;
+
 private:
   void
   delayedChecksLoop ();