code: public function getLeague(int $leagueID, array $filter = ['areas' => ''])
  	{
  		$league = $this->run("v2/competitions/{$leagueID}"."?".http_build_query($filter));
  		return collect($league);
  	}
docs: List one particular competition.
  
  @param integer $leagueID
  @param array $filter
  @return Collection