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diff --git a/artd/path_utils.h b/artd/path_utils.h
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+++ b/artd/path_utils.h
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+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * 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 ART_ARTD_PATH_UTILS_H_
+#define ART_ARTD_PATH_UTILS_H_
+
+#include "aidl/com/android/server/art/BnArtd.h"
+#include "android-base/result.h"
+
+namespace art {
+namespace artd {
+
+// Returns the absolute path to the OAT file built from the `ArtifactsPath`.
+android::base::Result<std::string> BuildOatPath(
+    const aidl::com::android::server::art::ArtifactsPath& artifacts_path);
+
+// Returns the path to the VDEX file that corresponds to the OAT file.
+std::string OatPathToVdexPath(const std::string& oat_path);
+
+// Returns the path to the ART file that corresponds to the OAT file.
+std::string OatPathToArtPath(const std::string& oat_path);
+
+}  // namespace artd
+}  // namespace art
+
+#endif  // ART_ARTD_PATH_UTILS_H_