function __construct($posX, $posY, $estimatedModuleSize)
 {
     parent::__construct($posX, $posY);
     $this->estimatedModuleSize = $estimatedModuleSize;
 }
 function __construct($posX, $posY, $estimatedModuleSize, $count = 1)
 {
     parent::__construct($posX, $posY);
     $this->estimatedModuleSize = $estimatedModuleSize;
     $this->count = $count;
 }