{"ast_node_type":"variable","tokens":[{"end":52,"kind":"keyword","start":0,"text":"let"}]}
        let has_repr_simd = self.repr_has_repr_simd;
        let unconditionally_treat_fields_as_live = self.repr_unconditionally_treats_fields_as_live;
        let effective_visibilities = &tcx.effective_visibilities(());