/**
* @param null $screenName
* @return array|TweetCollection
*/
public function getUserTimeLine($screenName = null)
{
$response = $this->getCacheItem($screenName);
if (!$response) {
$response = $this->twitter->statusesUserTimeline(['screen_name' => $screenName ? $screenName : $this->getOption('screen_name')]);
$this->setCacheItem($screenName, $response);
}
return $this->processTweets($response);
}
