{"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"Some(self.mem_docs.get(self.vfs_read().file_path(file_id))?.version)"}]}
        Some(self.mem_docs.get(self.vfs_read().file_path(file_id))?.version)
    pub(crate) fn file_version(&self, file_id: FileId) -> Option<i32> {
    }