{"ast_node_type":"variable","tokens":[{"end":80,"kind":"keyword","start":0,"text":"let"}]}
        let box_kw_and_lo = box_kw.until(self.interpolated_or_expr_span(&expr));
        // Make a multipart suggestion instead of `span_to_snippet` in case source isn't available
        let hi = span.shrink_to_hi();