{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"canonicalized.free_vars.iter().any(|var|"}]}
        canonicalized.free_vars.iter().any(|var| {
    fn check_changed(&mut self, canonicalized: &Canonicalized<InEnvironment<Goal>>) -> bool {
            let iv = match var.data(Interner) {