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diff --git a/src/rocksdb/utilities/cassandra/test_utils.h b/src/rocksdb/utilities/cassandra/test_utils.h
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+++ b/src/rocksdb/utilities/cassandra/test_utils.h
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+//  Copyright (c) 2017-present, Facebook, Inc.  All rights reserved.
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+
+#pragma once
+#include <memory>
+
+#include "test_util/testharness.h"
+#include "utilities/cassandra/format.h"
+#include "utilities/cassandra/serialize.h"
+
+namespace ROCKSDB_NAMESPACE {
+namespace cassandra {
+extern const char kData[];
+extern const char kExpiringData[];
+extern const int32_t kTtl;
+extern const int8_t kColumn;
+extern const int8_t kTombstone;
+extern const int8_t kExpiringColumn;
+
+std::shared_ptr<ColumnBase> CreateTestColumn(int8_t mask, int8_t index,
+                                             int64_t timestamp);
+
+std::tuple<int8_t, int8_t, int64_t> CreateTestColumnSpec(int8_t mask,
+                                                         int8_t index,
+                                                         int64_t timestamp);
+
+RowValue CreateTestRowValue(
+    std::vector<std::tuple<int8_t, int8_t, int64_t>> column_specs);
+
+RowValue CreateRowTombstone(int64_t timestamp);
+
+void VerifyRowValueColumns(
+    const std::vector<std::shared_ptr<ColumnBase>> &columns,
+    std::size_t index_of_vector, int8_t expected_mask, int8_t expected_index,
+    int64_t expected_timestamp);
+
+int64_t ToMicroSeconds(int64_t seconds);
+int32_t ToSeconds(int64_t microseconds);
+}  // namespace cassandra
+}  // namespace ROCKSDB_NAMESPACE