{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"last.span.shrink_to_hi().with_hi(base.span.hi())"}]}
                    last.span.shrink_to_hi().with_hi(base.span.hi())
                    // We'll remove the `..base` as there aren't any fields left.
                } else {