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diff --git a/icing/util/embedding-util.h b/icing/util/embedding-util.h
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+// Copyright (C) 2024 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 ICING_UTIL_EMBEDDING_UTIL_H_
+#define ICING_UTIL_EMBEDDING_UTIL_H_
+
+#include <string_view>
+
+#include "icing/text_classifier/lib3/utils/base/statusor.h"
+#include "icing/absl_ports/canonical_errors.h"
+#include "icing/absl_ports/str_cat.h"
+#include "icing/proto/search.pb.h"
+
+namespace icing {
+namespace lib {
+
+namespace embedding_util {
+
+inline libtextclassifier3::StatusOr<
+    SearchSpecProto::EmbeddingQueryMetricType::Code>
+GetEmbeddingQueryMetricTypeFromName(std::string_view metric_name) {
+  if (metric_name == "COSINE") {
+    return SearchSpecProto::EmbeddingQueryMetricType::COSINE;
+  } else if (metric_name == "DOT_PRODUCT") {
+    return SearchSpecProto::EmbeddingQueryMetricType::DOT_PRODUCT;
+  } else if (metric_name == "EUCLIDEAN") {
+    return SearchSpecProto::EmbeddingQueryMetricType::EUCLIDEAN;
+  }
+  return absl_ports::InvalidArgumentError(
+      absl_ports::StrCat("Unknown metric type: ", metric_name));
+}
+
+}  // namespace embedding_util
+
+}  // namespace lib
+}  // namespace icing
+
+#endif  // ICING_UTIL_EMBEDDING_UTIL_H_