Thank you for your submission, an automated scan of your plugin code's revealed the following issues:

### Required

[[1](https://github.com/zhouhua/obsidian-sticky-headings/blob/28b0470c4c6ad3613ed66634fcb9f36e6d290ac7/src/utils.ts#L4)][[2](https://github.com/zhouhua/obsidian-sticky-headings/blob/28b0470c4c6ad3613ed66634fcb9f36e6d290ac7/src/Plugin.ts#L65)]:You should not cast this, instead use a `instanceof` check to make sure that it's actually a file/folder.



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