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diff --git a/fcp/secagg/server/secagg_trace_utility.h b/fcp/secagg/server/secagg_trace_utility.h
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+/*
+ * Copyright 2020 Google LLC
+ *
+ * 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 FCP_SECAGG_SERVER_SECAGG_TRACE_UTILITY_H_
+#define FCP_SECAGG_SERVER_SECAGG_TRACE_UTILITY_H_
+
+#include "fcp/secagg/server/secagg_server_enums.pb.h"
+#include "fcp/secagg/server/tracing_schema.h"
+#include "fcp/secagg/shared/secagg_messages.pb.h"
+
+namespace fcp {
+namespace secagg {
+// Returns the ClientStatus state to be used for the context of tracing
+TracingClientStatus ClientStatusType(ClientStatus client_status);
+
+// Returns the ClientDropReason state to be used for the context of tracing
+TracingClientDropReason ClientDropReasonType(ClientDropReason reason_code);
+
+// Returns the ClientToServerWrapperMessage state
+// to be used for the context of tracing
+ClientToServerMessageType GetClientToServerMessageType(
+    const ClientToServerWrapperMessage& message);
+
+// Returns the ClientToServerWrapperMessage state
+// to be used for the context of tracing
+ServerToClientMessageType GetServerToClientMessageType(
+    const ServerToClientWrapperMessage& message);
+
+// Returns the SecAggServerOutcome state
+// to be used for the context of tracing
+TracingSecAggServerOutcome ConvertSecAccServerOutcomeToTrace(
+    SecAggServerOutcome outcome);
+
+// Returns the SecAggServerStateKind state
+// to be used for the context of tracing
+SecAggServerTraceState TracingState(SecAggServerStateKind state_kind);
+
+}  // namespace secagg
+}  // namespace fcp
+
+#endif  // FCP_SECAGG_SERVER_SECAGG_TRACE_UTILITY_H_