{"ast_node_type":"variable","tokens":[{"end":85,"kind":"keyword","start":0,"text":"let"}]}
                let required_items = items.iter().filter(|&(_, assoc)| match *assoc {
                let items = &trait_.id.trait_items(db).items;
                    AssocItemId::FunctionId(it) => !db.function_signature(it).has_body(),