chromium/components/optimization_guide/core/model_execution/on_device_model_metadata.h

// Copyright 2023 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_OPTIMIZATION_GUIDE_CORE_MODEL_EXECUTION_ON_DEVICE_MODEL_METADATA_H_
#define COMPONENTS_OPTIMIZATION_GUIDE_CORE_MODEL_EXECUTION_ON_DEVICE_MODEL_METADATA_H_

#include <memory>
#include <string>

#include "base/containers/flat_map.h"
#include "base/files/file_path.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "base/sequence_checker.h"
#include "base/task/sequenced_task_runner.h"
#include "components/optimization_guide/core/model_execution/on_device_model_component.h"
#include "components/optimization_guide/core/model_execution/on_device_model_feature_adapter.h"
#include "components/optimization_guide/core/model_execution/substitution.h"
#include "components/optimization_guide/proto/model_execution.pb.h"
#include "components/optimization_guide/proto/on_device_model_execution_config.pb.h"

namespace optimization_guide {

class OnDeviceModelMetadata final { … };

// Provides a stream of updated ModelMetadatas from component states.
// Provides null values between valid states.
class OnDeviceModelMetadataLoader final
    : public OnDeviceModelComponentStateManager::Observer { … };

}  // namespace optimization_guide

#endif  // COMPONENTS_OPTIMIZATION_GUIDE_CORE_MODEL_EXECUTION_ON_DEVICE_MODEL_METADATA_H_