{"ast_node_type":"other","tokens":[{"end":38,"kind":"keyword","start":0,"text":"ty::Param(param_type)"}]}
            ty::Param(param_type) => {
        let mut ty_span = match rcvr_ty.kind() {
                Some(param_type.span_from_generics(self.tcx, self.body_id.to_def_id()))