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+/**
+ * Copyright (C) 2022-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 <list>
+#include <string>
+
+#include "mongo/base/string_data.h"
+#include "mongo/bson/bsonobj.h"
+#include "mongo/db/exec/sbe/values/value.h"
+
+namespace mongo::stats_serialization_utils {
+
+using TypeCount = std::list<std::pair<std::string, long long>>;
+using TypeValuePair = std::pair<sbe::value::TypeTags, sbe::value::Value>;
+
+/**
+ * Returns owned BSON Object representing data matching mongo::StatsBucket IDL.
+ */
+BSONObj makeStatsBucket(TypeValuePair typeValue,
+ long long boundaryCount,
+ long long rangeCount,
+ long long rangeDistincts,
+ long long cumulativeCount,
+ long long cumulativeDistincts);
+/**
+ * Returns owned BSON Object representing data matching mongo::StatsPath IDL.
+ */
+BSONObj makeStatsPath(StringData path,
+ long long documents,
+ boost::optional<long long> documentsSampled,
+ boost::optional<double> samplingRate,
+ boost::optional<long long> samplesRequested,
+ boost::optional<std::pair<long long, long long>> boolCount,
+ boost::optional<TypeCount> typeCount,
+ boost::optional<std::list<BSONObj>> scalarHistogram,
+ boost::optional<BSONObj> arrayHistogram);
+
+} // namespace mongo::stats_serialization_utils