{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"err.subdiagnostic(errors::ToolOnlyRemoveUnnecessaryImport"}]}
                err.subdiagnostic(errors::ToolOnlyRemoveUnnecessaryImport { span });
            if let Some(span) = extend_span_to_previous_binding(self.tcx.sess, span) {
            } else {