{"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"RwLockReadGuard::map(self.vfs.read(),"}]}
        RwLockReadGuard::map(self.vfs.read(), |(it, _)| it)
    fn vfs_read(&self) -> MappedRwLockReadGuard<'_, vfs::Vfs> {
    }