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让我们来看看。我有收藏视图。我需要从数据源中检测仍未加载到 cellForItemAt indexPath 中的某些元素的索引路径。我需要它将集合视图滚动到我想要的特定元素。数据源包括按日期划分的部分,它可能很长。我怎样才能检测到它?