1 files changed, 4 insertions, 1 deletions
diff --git a/src/mongo/db/s/balancer/balancer_policy.h b/src/mongo/db/s/balancer/balancer_policy.h
index af9377999a6..35f0c8ada30 100644
--- a/src/mongo/db/s/balancer/balancer_policy.h
+++ b/src/mongo/db/s/balancer/balancer_policy.h
@@ -59,7 +59,8 @@ struct MigrateInfo {
     MigrateInfo(const ShardId& a_to,
                 const NamespaceString& a_nss,
                 const ChunkType& a_chunk,
-                MoveChunkRequest::ForceJumbo a_forceJumbo);
+                MoveChunkRequest::ForceJumbo a_forceJumbo,
+                boost::optional<int64_t> maxChunkSizeBytes = boost::none);
 
     MigrateInfo(const ShardId& a_to,
                 const ShardId& a_from,
@@ -77,6 +78,8 @@ struct MigrateInfo {
 
     std::string toString() const;
 
+    boost::optional<int64_t> getMaxChunkSizeBytes() const;
+
     NamespaceString nss;
     UUID uuid;
     ShardId to;