--- /dev/null
+//
+// Copyright 2019 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_CORE_EXT_FILTERS_CLIENT_CHANNEL_BACKEND_METRIC_H
+#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_BACKEND_METRIC_H
+
+#include <grpc/support/port_platform.h>
+
+#include <grpc/slice.h>
+
+#include "src/core/ext/filters/client_channel/lb_policy.h"
+#include "src/core/lib/gprpp/arena.h"
+
+namespace grpc_core {
+
+// Parses the serialized load report and allocates a BackendMetricData
+// object on the arena.
+const LoadBalancingPolicy::BackendMetricData* ParseBackendMetricData(
+ const grpc_slice& serialized_load_report, Arena* arena);
+
+} // namespace grpc_core
+
+#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_BACKEND_METRIC_H */