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diff --git a/src/cpp/server/load_reporter/get_cpu_stats.h b/src/cpp/server/load_reporter/get_cpu_stats.h
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+++ b/src/cpp/server/load_reporter/get_cpu_stats.h
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+/*
+ *
+ * Copyright 2018 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef GRPC_SRC_CPP_SERVER_LOAD_REPORTER_GET_CPU_STATS_H
+#define GRPC_SRC_CPP_SERVER_LOAD_REPORTER_GET_CPU_STATS_H
+
+#include <grpc/impl/codegen/port_platform.h>
+
+#include <utility>
+
+namespace grpc {
+namespace load_reporter {
+
+// Reads the CPU stats (in a pair of busy and total numbers) from the system.
+// The units of the stats should be the same.
+std::pair<uint64_t, uint64_t> GetCpuStatsImpl();
+
+}  // namespace load_reporter
+}  // namespace grpc
+
+#endif  // GRPC_SRC_CPP_SERVER_LOAD_REPORTER_GET_CPU_STATS_H