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diff --git a/src/mongo/db/session/sessions_collection_rs.h b/src/mongo/db/session/sessions_collection_rs.h
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+/**
+ *    Copyright (C) 2018-present MongoDB, Inc.
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the Server Side Public License, version 1,
+ *    as published by MongoDB, Inc.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    Server Side Public License for more details.
+ *
+ *    You should have received a copy of the Server Side Public License
+ *    along with this program. If not, see
+ *    <http://www.mongodb.com/licensing/server-side-public-license>.
+ *
+ *    As a special exception, the copyright holders give permission to link the
+ *    code of portions of this program with the OpenSSL library under certain
+ *    conditions as described in each individual source file and distribute
+ *    linked combinations including the program with the OpenSSL library. You
+ *    must comply with the Server Side Public License in all respects for
+ *    all of the code used other than as permitted herein. If you modify file(s)
+ *    with this exception, you may extend this exception to your version of the
+ *    file(s), but you are not obligated to do so. If you do not wish to do so,
+ *    delete this exception statement from your version. If you delete this
+ *    exception statement from all source files in the program, then also delete
+ *    it in the license file.
+ */
+
+#pragma once
+
+#include <memory>
+#include <type_traits>
+
+#include "mongo/client/connpool.h"
+#include "mongo/client/remote_command_targeter.h"
+#include "mongo/db/namespace_string.h"
+#include "mongo/db/session/logical_session_id.h"
+#include "mongo/db/session/sessions_collection.h"
+#include "mongo/platform/mutex.h"
+#include "mongo/util/time_support.h"
+
+namespace mongo {
+
+class OperationContext;
+
+/**
+ * Accesses the sessions collection for replica set members.
+ */
+class SessionsCollectionRS final : public SessionsCollection {
+public:
+    /**
+     * Ensures that the sessions collection exists and has the proper indexes.
+     */
+    void setupSessionsCollection(OperationContext* opCtx) override;
+
+    /**
+     * Checks if the sessions collection exists and has the proper indexes.
+     */
+    void checkSessionsCollectionExists(OperationContext* opCtx) override;
+
+    /**
+     * Updates the last-use times on the given sessions to be greater than
+     * or equal to the current time.
+     *
+     * If a step-down happens on this node as this method is running, it may fail.
+     */
+    void refreshSessions(OperationContext* opCtx, const LogicalSessionRecordSet& sessions) override;
+
+    /**
+     * Removes the authoritative records for the specified sessions.
+     *
+     * If a step-down happens on this node as this method is running, it may fail.
+     */
+    void removeRecords(OperationContext* opCtx, const LogicalSessionIdSet& sessions) override;
+
+    /**
+     * Returns the subset of sessions from the given set that do not have entries
+     * in the sessions collection.
+     *
+     * If a step-down happens on this node as this method is running, it may
+     * return stale results.
+     */
+    LogicalSessionIdSet findRemovedSessions(OperationContext* opCtx,
+                                            const LogicalSessionIdSet& sessions) override;
+
+private:
+    auto _makePrimaryConnection(OperationContext* opCtx);
+
+    bool _isStandaloneOrPrimary(const NamespaceString& ns, OperationContext* opCtx);
+
+    template <typename LocalCallback, typename RemoteCallback>
+    struct CommonResult {
+        using LocalReturnType = std::invoke_result_t<LocalCallback>;
+        using RemoteReturnType = std::invoke_result_t<RemoteCallback, DBClientBase*>;
+        static_assert(std::is_same_v<LocalReturnType, RemoteReturnType>,
+                      "LocalCallback and RemoteCallback must have the same return type");
+
+        using Type =
+            std::conditional_t<std::is_void<LocalReturnType>::value, void, LocalReturnType>;
+    };
+    template <typename LocalCallback, typename RemoteCallback>
+    using CommonResultT = typename CommonResult<LocalCallback, RemoteCallback>::Type;
+
+    template <typename LocalCallback, typename RemoteCallback>
+    CommonResultT<LocalCallback, RemoteCallback> _dispatch(const NamespaceString& ns,
+                                                           OperationContext* opCtx,
+                                                           LocalCallback&& localCallback,
+                                                           RemoteCallback&& remoteCallback);
+
+    Mutex _mutex = MONGO_MAKE_LATCH("SessionsCollectionRS::_mutex");
+    std::unique_ptr<RemoteCommandTargeter> _targeter;
+};
+
+}  // namespace mongo