private static IList <String> TryExpandArgumentsRecursively(AbstractOptionParser parser, String arg)
{
List <String> result = null;
var array = parser.TryExpandArgument(arg);
if (array != null)
{
result = new List <String>(array);
foreach (var str in array)
{
var list = TryExpandArgumentsRecursively(parser, str);
if (list != null)
{
result.AddRange(list);
}
}
}
return(result);
}
