{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"debug_assert!(!self.children.iter().any(|(id,"}]}
        debug_assert!(!self.children.iter().any(|(id, _)| id == &owner_id.def_id));
        self.children.push((owner_id.def_id, hir::MaybeOwner::Owner(info)));