1 files changed, 6 insertions, 1 deletions
diff --git a/src/mongo/s/query/async_results_merger.h b/src/mongo/s/query/async_results_merger.h
index 3fde29e141e..518a129b0ec 100644
--- a/src/mongo/s/query/async_results_merger.h
+++ b/src/mongo/s/query/async_results_merger.h
@@ -109,6 +109,11 @@ public:
     ~AsyncResultsMerger();
 
     /**
+     * Returns a const reference to the parameters.
+     */
+    const AsyncResultsMergerParams& params() const;
+
+    /**
      * Returns true if all of the remote cursors are exhausted.
      */
     bool remotesExhausted() const;
@@ -485,7 +490,7 @@ private:
     OperationContext* _opCtx;
     std::shared_ptr<executor::TaskExecutor> _executor;
     TailableModeEnum _tailableMode;
-    AsyncResultsMergerParams _params;
+    const AsyncResultsMergerParams _params;
 
     // Must be acquired before accessing any data members (other than _params, which is read-only).
     mutable Mutex _mutex = MONGO_MAKE_LATCH("AsyncResultsMerger::_mutex");