private IErlMember addExportAttribute(final IErlModule module,
final OtpErlangObject pos, final OtpErlangObject val,
final OtpErlangObject extra) {
final OtpErlangList functionList = (OtpErlangList) val;
final ErlExport ex = new ErlExport(module, functionList, Util.stringValue(extra));
setPos(ex, pos);
return ex;
}