class Opal::Rewriters::InlineArgs::Initializer

def prepare_kwargs
  return unless @args.has_any_kwargs?
  if @args.can_inline_kwargs?
    @inline << s(:arg, :'$kwargs')
  else
    @initialization << s(:extract_kwargs)
    @inline << s(:fake_arg)
  end
  @initialization << s(:ensure_kwargs_are_kwargs)
end