{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"walk_list!(visitor,"}]}
    walk_list!(visitor, visit_generic_param, *bound_generic_params);
    let PolyTraitRef { bound_generic_params, modifiers: _, trait_ref, span: _ } = trait_ref;
    visitor.visit_trait_ref(trait_ref)