src/Module/Authorization/PageLock.php
protected function isUnlocked($lockId)
    {
        $unlocked = $this->session->get("unlocked");
        if ($unlocked && in_array($lockId, $unlocked)) {
            return true;
        }

        return false;
    }
protected function isUnlocked($lockId)
    {
        $unlocked = $this->session->get("unlocked");
        if ($unlocked && in_array($lockId, $unlocked)) {
            return true;
        }

        return false;
    }
Returns whether the lock is unlocked

@param string $lockId Lock identifier
@return boolean true if unlocked, false otherwise