{"ast_node_type":"variable","tokens":[{"end":57,"kind":"keyword","start":0,"text":"let"}]}
                    let filter = match b.skip_binders() {
                ctx.lower_type_bound(b, self_ty.clone(), false).for_each(|b| {
                        WhereClause::Implemented(_) | WhereClause::AliasEq(_) => true,