entity makeHostedKeyframe(entity, void(entity, float), float, float, float);
entity makeKeyframe(entity, void(entity, float), float, float, float);
float getNewChildStart(entity);
entity makeHostedKeyframe(entity, void(entity, float), float, float, float);
entity makeKeyframe(entity, void(entity, float), float, float, float);
float getNewChildStart(entity);