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RELS.XLMETA = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/sheetMetadata";function parse_xlmeta_xml(data, name, opts) {  var out = { Types: [] };  if (!data)    return out;  var pass = false;  data.replace(tagregex, function(x, idx) {    var y = parsexmltag(x);    switch (strip_ns(y[0])) {      case "<?xml":        break;      case "<metadata":      case "</metadata>":        break;      case "<metadataTypes":      case "</metadataTypes>":        break;      case "<metadataType":        out.Types.push({ name: y.name });        break;      case "<futureMetadata":        break;      case "</futureMetadata>":        break;      case "<bk>":        break;      case "</bk>":        break;      case "<rc":        break;      case "</rc>":        break;      case "<cellMetadata":      case "</cellMetadata>":        break;      case "<valueMetadata":        break;      case "</valueMetadata>":        break;      case "<extLst":      case "<extLst>":      case "</extLst>":      case "<extLst/>":        break;      case "<ext":        pass = true;        break;      case "</ext>":        pass = false;        break;      default:        if (!pass && opts.WTF)          throw new Error("unrecognized " + y[0] + " in metadata");    }    return x;  });  return out;}function write_xlmeta_xml() {  var o = [XML_HEADER];  o.push('<metadata xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:xlrd="http://schemas.microsoft.com/office/spreadsheetml/2017/richdata" xmlns:xda="http://schemas.microsoft.com/office/spreadsheetml/2017/dynamicarray">\n  <metadataTypes count="1">\n    <metadataType name="XLDAPR" minSupportedVersion="120000" copy="1" pasteAll="1" pasteValues="1" merge="1" splitFirst="1" rowColShift="1" clearFormats="1" clearComments="1" assign="1" coerce="1" cellMeta="1"/>\n  </metadataTypes>\n  <futureMetadata name="XLDAPR" count="1">\n    <bk>\n      <extLst>\n        <ext uri="{bdbb8cdc-fa1e-496e-a857-3c3f30c029c3}">\n          <xda:dynamicArrayProperties fDynamic="1" fCollapsed="0"/>\n        </ext>\n      </extLst>\n    </bk>\n  </futureMetadata>\n  <cellMetadata count="1">\n    <bk>\n      <rc t="1" v="0"/>\n    </bk>\n  </cellMetadata>\n</metadata>');  return o.join("");}function parse_BrtMdtinfo(data, length) {  return {    flags: data.read_shift(4),    version: data.read_shift(4),    name: parse_XLWideString(data, length - 8)  };}function write_BrtMdtinfo(data) {  var o = new_buf(12 + 2 * data.name.length);  o.write_shift(4, data.flags);  o.write_shift(4, data.version);  write_XLWideString(data.name, o);  return o.slice(0, o.l);}function write_BrtMdb(mdb) {  var o = new_buf(4 + 8 * mdb.length);  o.write_shift(4, mdb.length);  for (var i = 0; i < mdb.length; ++i) {    o.write_shift(4, mdb[i][0]);    o.write_shift(4, mdb[i][1]);  }  return o;}function write_BrtBeginEsfmd(cnt, name) {  var o = new_buf(8 + 2 * name.length);  o.write_shift(4, cnt);  write_XLWideString(name, o);  return o.slice(0, o.l);}function write_BrtBeginEsmdb(cnt, cm) {  var o = new_buf(8);  o.write_shift(4, cnt);  o.write_shift(4, cm ? 1 : 0);  return o;}function parse_xlmeta_bin(data, name, _opts) {  var out = { Types: [] };  var opts = _opts || {};  var state = [];  var pass = false;  recordhopper(data, function(val, R_n, RT) {    switch (RT) {      case 335:        out.Types.push({ name: val.name });        break;      case 51:        break;      case 35:        state.push(R_n);        pass = true;        break;      case 36:        state.pop();        pass = false;        break;      default:        if ((R_n || "").indexOf("Begin") > 0) {        } else if ((R_n || "").indexOf("End") > 0) {        } else if (!pass || opts.WTF && state[state.length - 1] != "BrtFRTBegin")          throw new Error("Unexpected record " + RT + " " + R_n);    }  });  return out;}function write_xlmeta_bin() {  var ba = buf_array();  write_record(ba, "BrtBeginMetadata");  write_record(ba, "BrtBeginEsmdtinfo", write_UInt32LE(1));  write_record(ba, "BrtMdtinfo", write_BrtMdtinfo({    name: "XLDAPR",    version: 12e4,    flags: 3496657072  }));  write_record(ba, "BrtEndEsmdtinfo");  write_record(ba, "BrtBeginEsfmd", write_BrtBeginEsfmd(1, "XLDAPR"));  write_record(ba, "BrtBeginFmd");  write_record(ba, "BrtFRTBegin", write_UInt32LE(514));  write_record(ba, "BrtBeginDynamicArrayPr", write_UInt32LE(0));  write_record(ba, "BrtEndDynamicArrayPr", writeuint16(1));  write_record(ba, "BrtFRTEnd");  write_record(ba, "BrtEndFmd");  write_record(ba, "BrtEndEsfmd");  write_record(ba, "BrtBeginEsmdb", write_BrtBeginEsmdb(1, true));  write_record(ba, "BrtMdb", write_BrtMdb([[1, 0]]));  write_record(ba, "BrtEndEsmdb");  write_record(ba, "BrtEndMetadata");  return ba.end();}