#ifndef COMPONENTS_SEGMENTATION_PLATFORM_INTERNAL_SIGNALS_SIGNAL_HANDLER_H_
#define COMPONENTS_SEGMENTATION_PLATFORM_INTERNAL_SIGNALS_SIGNAL_HANDLER_H_
#include <memory>
#include "base/containers/flat_set.h"
#include "base/functional/callback.h"
#include "components/prefs/pref_service.h"
#include "components/segmentation_platform/public/proto/segmentation_platform.pb.h"
namespace history {
class HistoryService;
}
namespace segmentation_platform {
class HistogramSignalHandler;
class HistoryServiceObserver;
class SignalFilterProcessor;
class StorageService;
class UserActionSignalHandler;
class SignalHandler { … };
}
#endif