--- /dev/null
+'use strict';
+
+module.exports.ArgumentParser = require('./argument_parser.js');
+module.exports.Namespace = require('./namespace');
+module.exports.Action = require('./action');
+module.exports.HelpFormatter = require('./help/formatter.js');
+module.exports.Const = require('./const.js');
+
+module.exports.ArgumentDefaultsHelpFormatter =
+ require('./help/added_formatters.js').ArgumentDefaultsHelpFormatter;
+module.exports.RawDescriptionHelpFormatter =
+ require('./help/added_formatters.js').RawDescriptionHelpFormatter;
+module.exports.RawTextHelpFormatter =
+ require('./help/added_formatters.js').RawTextHelpFormatter;