EstimateRequest::__construct PHP Method

        public function __construct($EstimateRequestType = null)
        {
            $this->EstimateRequestType = $EstimateRequestType;
        }

 public function __construct($adGroupId = null, $keywordEstimateRequests = null, $maxCpc = null, $EstimateRequestType = null)
 {
     parent::__construct();
     $this->adGroupId = $adGroupId;
     $this->keywordEstimateRequests = $keywordEstimateRequests;
     $this->maxCpc = $maxCpc;
     $this->EstimateRequestType = $EstimateRequestType;
 }