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diff --git a/aosp/apex_handler_android.h b/aosp/apex_handler_android.h
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+//
+// Copyright (C) 2021 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 SYSTEM_UPDATE_ENGINE_AOSP_APEX_HANDLER_ANDROID_H_
+#define SYSTEM_UPDATE_ENGINE_AOSP_APEX_HANDLER_ANDROID_H_
+
+#include <memory>
+#include <string>
+#include <vector>
+
+#include <android/apex/IApexService.h>
+#include <binder/IServiceManager.h>
+
+#include "update_engine/aosp/apex_handler_interface.h"
+#include "update_engine/update_metadata.pb.h"
+
+namespace chromeos_update_engine {
+
+std::unique_ptr<ApexHandlerInterface> CreateApexHandler();
+
+class ApexHandlerAndroid : virtual public ApexHandlerInterface {
+ public:
+  android::base::Result<uint64_t> CalculateSize(
+      const std::vector<ApexInfo>& apex_infos) const;
+  bool AllocateSpace(const std::vector<ApexInfo>& apex_infos) const;
+
+ private:
+  android::sp<android::apex::IApexService> GetApexService() const;
+};
+
+class FlattenedApexHandlerAndroid : virtual public ApexHandlerInterface {
+ public:
+  android::base::Result<uint64_t> CalculateSize(
+      const std::vector<ApexInfo>& apex_infos) const;
+  bool AllocateSpace(const std::vector<ApexInfo>& apex_infos) const;
+};
+
+}  // namespace chromeos_update_engine
+
+#endif  // SYSTEM_UPDATE_ENGINE_AOSP_APEX_HANDLER_ANDROID_H_