# File lib/twitter/client/messaging.rb, line 19
  def messages(action, options = {})
    raise ArgumentError, "Invalid messaging action: #{action}" unless [:sent, :received].member?(action)
    uri = @@MESSAGING_URIS[action]
    response = rest_oauth_connect(:get, uri, options)
    bless_models(Twitter::Message.unmarshal(response.body))
  end