public function batchDelete($ids) {
        $requests = [];

        foreach ($ids as $id) {
            $requests[] = [
                'method' => 'monitoring.livestatus.delete',
                'params' => [
                    'id' => $id
                ]
            ];
        }

        $result = $this->api->batchRequest($requests);

        foreach ($result as $tag) {
            // Do not check 'id' because in a batch request it is always NULL:
            if (!array_key_exists('success', $tag) ||
                $tag['success'] !== true) {
                if (array_key_exists('message', $tag)) {
                    throw new RuntimeException(sprintf('Bad result: %s', $tag['message']));
                } else {
                    throw new RuntimeException('Bad result');
                }
            }
        }

        return $this;
    }