{"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"#[salsa::invoke(crate::lower::return_type_impl_traits)]"}]}
    #[salsa::invoke(crate::lower::return_type_impl_traits)]
    fn return_type_impl_traits(&self, def: FunctionId) -> Option<Arc<Binders<ImplTraits>>>;