3 files changed, 8 insertions, 11 deletions
diff --git a/src/mongo/s/catalog_cache_loader.h b/src/mongo/s/catalog_cache_loader.h
index 94d8ea5a93e..ef292552df1 100644
--- a/src/mongo/s/catalog_cache_loader.h
+++ b/src/mongo/s/catalog_cache_loader.h
@@ -68,7 +68,6 @@ public:
     static CatalogCacheLoader& get(ServiceContext* serviceContext);
     static CatalogCacheLoader& get(OperationContext* opCtx);
 
-
     /**
      * Used as a return value for getChunksSince.
      */
@@ -93,6 +92,9 @@ public:
         std::vector<ChunkType> changedChunks;
     };
 
+    using GetChunksSinceCallbackFn =
+        stdx::function<void(OperationContext*, StatusWith<CollectionAndChangedChunks>)>;
+
     /**
      * Initializes internal state. Must be called only once when sharding state is initialized.
      */
@@ -126,10 +128,7 @@ public:
      * Notification object can be waited on in order to ensure that.
      */
     virtual std::shared_ptr<Notification<void>> getChunksSince(
-        const NamespaceString& nss,
-        ChunkVersion version,
-        stdx::function<void(OperationContext*, StatusWith<CollectionAndChangedChunks>)>
-            callbackFn) = 0;
+        const NamespaceString& nss, ChunkVersion version, GetChunksSinceCallbackFn callbackFn) = 0;
 
     /**
      * Non-blocking call, which requests the most recent db version for the given dbName from the
diff --git a/src/mongo/s/config_server_catalog_cache_loader.cpp b/src/mongo/s/config_server_catalog_cache_loader.cpp
index 4de200959e9..97b5ee9ca9d 100644
--- a/src/mongo/s/config_server_catalog_cache_loader.cpp
+++ b/src/mongo/s/config_server_catalog_cache_loader.cpp
@@ -27,7 +27,9 @@
  *    exception statement from all source files in the program, then also delete
  *    it in the license file.
  */
+
 #define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kSharding
+
 #include "mongo/platform/basic.h"
 
 #include "mongo/s/config_server_catalog_cache_loader.h"
@@ -172,10 +174,7 @@ void ConfigServerCatalogCacheLoader::waitForDatabaseFlush(OperationContext* opCt
 }
 
 std::shared_ptr<Notification<void>> ConfigServerCatalogCacheLoader::getChunksSince(
-    const NamespaceString& nss,
-    ChunkVersion version,
-    stdx::function<void(OperationContext*, StatusWith<CollectionAndChangedChunks>)> callbackFn) {
-
+    const NamespaceString& nss, ChunkVersion version, GetChunksSinceCallbackFn callbackFn) {
     auto notify = std::make_shared<Notification<void>>();
 
     uassertStatusOK(_threadPool.schedule([ nss, version, notify, callbackFn ]() noexcept {
diff --git a/src/mongo/s/config_server_catalog_cache_loader.h b/src/mongo/s/config_server_catalog_cache_loader.h
index 50d771d1681..fd7d104d80a 100644
--- a/src/mongo/s/config_server_catalog_cache_loader.h
+++ b/src/mongo/s/config_server_catalog_cache_loader.h
@@ -53,8 +53,7 @@ public:
     std::shared_ptr<Notification<void>> getChunksSince(
         const NamespaceString& nss,
         ChunkVersion version,
-        stdx::function<void(OperationContext*, StatusWith<CollectionAndChangedChunks>)> callbackFn)
-        override;
+        GetChunksSinceCallbackFn callbackFn) override;
 
     void getDatabase(
         StringData dbName,