{"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":".span_label(non_item_span,"}]}
                            .span_label(non_item_span, "non-item starts here")
                        err.span_label(open_brace_span, "item list starts here")
                            .span_label(self.prev_token.span, "item list ends here");