{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"appears_in_where_clause.visit_generics(generics);"}]}
    appears_in_where_clause.visit_generics(generics);
        AllCollector { has_fully_capturing_opaque: true, regions: Default::default() };
    debug!(?appears_in_where_clause.regions);