{"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":"self.with_generic_param_rib("}]}
                self.with_generic_param_rib(
                let span = ty.span.shrink_to_lo().to(unsafe_binder.inner_ty.span.shrink_to_lo());
                    &unsafe_binder.generic_params,