{"ast_node_type":"variable","tokens":[{"end":72,"kind":"keyword","start":0,"text":"let"}]}
        let _p = span!(Level::INFO, "Vfs::set_file_contents").entered();
    pub fn set_file_contents(&mut self, path: VfsPath, contents: Option<Vec<u8>>) -> bool {
        let file_id = self.alloc_file_id(path);