|  | /* | 
|  | * Copyright (C) 2020 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. | 
|  | */ | 
|  |  | 
|  | #pragma once | 
|  |  | 
|  | #include "adb_unique_fd.h" | 
|  |  | 
|  | #include <optional> | 
|  | #include <string> | 
|  |  | 
|  | #include "sysdeps.h" | 
|  |  | 
|  | namespace incremental { | 
|  |  | 
|  | std::optional<Process> install(std::vector<std::string> files); | 
|  |  | 
|  | enum class Result { Success, Failure, None }; | 
|  | Result wait_for_installation(int read_fd); | 
|  |  | 
|  | }  // namespace incremental |