public function getUserEmails()
    {
        $project = $this->getProject();
        if (!$project) {
            return [];
        }

        $emails = [];
        foreach ($this->api->getProjectAccesses($project) as $projectAccess) {
            $account = $this->api->getAccount($projectAccess);
            $emails[] = $account['email'];
        }

        return $emails;
    }