chromium/components/translate/core/browser/translate_model_service.h

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_MODEL_SERVICE_H_
#define COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_MODEL_SERVICE_H_

#include <memory>
#include <optional>
#include <vector>

#include "base/files/file.h"
#include "base/files/file_path.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "base/task/sequenced_task_runner.h"
#include "components/keyed_service/core/keyed_service.h"
#include "components/optimization_guide/core/optimization_target_model_observer.h"

namespace optimization_guide {
class OptimizationGuideModelProvider;
}  // namespace optimization_guide

namespace translate {

// Service that manages models required to support translation in the browser.
// Currently, the service should only be used in the browser as it relies on
// the Optimization Guide.
// TODO(crbug.com/40225076): TranslateModelService should own
// LanguageDetectionModel.
class TranslateModelService
    : public KeyedService,
      public optimization_guide::OptimizationTargetModelObserver { … };

}  //  namespace translate

#endif  // COMPONENTS_TRANSLATE_CORE_BROWSER_TRANSLATE_MODEL_SERVICE_H_