#pragma once
#include "WebAnimation.h"
+#include <wtf/Forward.h>
#include <wtf/HashSet.h>
#include <wtf/Ref.h>
#include <wtf/RefCounted.h>
bool isDocumentTimeline() const { return m_classType == DocumentTimelineClass; }
void addAnimation(Ref<WebAnimation>&&);
void removeAnimation(Ref<WebAnimation>&&);
+ WEBCORE_EXPORT String description();
virtual ~AnimationTimeline();