/**
* Initializes a new file descriptor with the given hash of its contents.
*
* @param string $hash An MD5 hash of the contents if this file.
*/
public function __construct($hash)
{
parent::__construct();
$this->setHash($hash);
$this->setNamespaceAliases(new Collection());
$this->setIncludes(new Collection());
$this->setConstants(new Collection());
$this->setFunctions(new Collection());
$this->setClasses(new Collection());
$this->setInterfaces(new Collection());
$this->setTraits(new Collection());
$this->setMarkers(new Collection());
}
