public function __construct()
{
$this->visibility = null;
$this->abstract = null;
$this->static = null;
$this->extends = null;
$this->implements = null;
$this->namespace = null;
$this->arguments = null;
$this->type = null;
$this->file = null;
$this->parent = null;
$this->name = null;
$this->owner = null;
$this->depth = null;
$this->end_line = null;
$this->start_line = null;
$this->length = null;
$this->token_count = null;
$this->comments = array();
$this->tokens = array();
$this->nodes = array();
$this->constants = array();
}