1 files changed, 9 insertions, 0 deletions
diff --git a/include/util/types.h b/include/util/types.h
index 084bf4b..6e8fd69 100644
--- a/include/util/types.h
+++ b/include/util/types.h
@@ -21,6 +21,7 @@
 #include <cstdint>
 #include <cstdlib>
 #include <vector>
+#include <memory>
 
 namespace de {
 
@@ -81,6 +82,14 @@ enum class ReconstructionType {
   Compact /* the merging of shards on one level */
 };
 
+
+template <typename ShardType>
+struct reconstruction_results {
+  std::shared_ptr<ShardType> new_shard;
+  std::vector<std::pair<level_index, const ShardType *>> source_shards;
+  size_t target_level;
+};
+
 typedef struct ReconstructionTask {
   std::vector<ShardID> sources = {};
   level_index target = 0;