{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"self.expect_gt_or_maybe_suggest_closing_generics(&params)?;"}]}
            self.expect_gt_or_maybe_suggest_closing_generics(&params)?;
            let params = self.parse_generic_params()?;
            (params, span_lo.to(self.prev_token.span))