{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"dcx.emit_err(session_diagnostics::ExpectedOneCfgPattern"}]}
                        dcx.emit_err(session_diagnostics::ExpectedOneCfgPattern { span: cfg.span });
                    let [mi] = mis.as_slice() else {
                        return false;