#ifndef UI_EVENTS_GESTURE_DETECTION_GESTURE_DETECTOR_H_
#define UI_EVENTS_GESTURE_DETECTION_GESTURE_DETECTOR_H_
#include <memory>
#include "base/memory/raw_ptr.h"
#include "base/task/sequenced_task_runner.h"
#include "base/time/time.h"
#include "ui/events/gesture_detection/gesture_detection_export.h"
#include "ui/events/velocity_tracker/velocity_tracker_state.h"
namespace ui {
class DoubleTapListener;
class GestureListener;
class MotionEvent;
class GESTURE_DETECTION_EXPORT GestureDetector { … };
}
#endif