public static CommandOption Map<TOptions, TResult>(this CommandOption option, MapOptions<TOptions> map,
Expression<Func<TOptions, TResult>> to)
{
map.Add(option, to);
return option;
}
public static CommandArgument Map<TOptions, TResult>(this CommandArgument arg, MapOptions<TOptions> map,
Expression<Func<TOptions, TResult>> to)
{
map.Add(arg, to);
return arg;
}