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diff --git a/src/mongo/db/stats/resource_consumption_metrics.h b/src/mongo/db/stats/resource_consumption_metrics.h
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+/**
+ *    Copyright (C) 2020-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 <map>
+#include <string>
+
+#include "mongo/db/operation_context.h"
+#include "mongo/platform/mutex.h"
+
+namespace mongo {
+
+/**
+ * ResourceConsumption maintains thread-safe access into a map of resource consumption Metrics.
+ */
+class ResourceConsumption {
+public:
+    static ResourceConsumption& get(OperationContext* opCtx);
+    static ResourceConsumption& get(ServiceContext* svcCtx);
+
+    /**
+     * Metrics maintains non-thread-safe, per-operation resource consumption metrics for a specific
+     * database.
+     */
+    class Metrics {
+    public:
+        static Metrics& get(OperationContext* opCtx);
+
+        /**
+         * Adds other Metrics to this one.
+         */
+        void add(const Metrics& other){};
+        Metrics& operator+=(const Metrics& other) {
+            add(other);
+            return *this;
+        }
+
+        /**
+         * Set the database name associated with these metrics.
+         */
+        void setDbName(const std::string& dbName) {
+            _dbName = dbName;
+        }
+
+        const std::string& getDbName() const {
+            return _dbName;
+        }
+
+    private:
+        std::string _dbName;
+    };
+
+    /**
+     * Adds a Metrics object to an existing Metrics object in the map, keyed by database name. If no
+     * Metrics exist for the database, the value is initialized with the provided Metrics.
+     *
+     * The Metrics database name must not be an empty string.
+     */
+    void add(const Metrics& metrics);
+
+    /**
+     * Returns a copy of the Metrics map.
+     */
+    using MetricsMap = std::map<std::string, Metrics>;
+    MetricsMap getMetrics() const;
+
+private:
+    // Protects _metrics
+    mutable Mutex _mutex = MONGO_MAKE_LATCH("ResourceConsumption::_mutex");
+    MetricsMap _metrics;
+};
+
+}  // namespace mongo