{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"///"}]}
    /// **parent**. This is important so we generate the correct bound var/placeholder.
    /// contain the `Generics` for the **child**, while `predicate_owner` should contain the `GenericDefId` of the
    pub(crate) fn lower_where_predicate<'b>(