public function addXmlSignatureRejections(\AgentSIB\Diadoc\Api\Proto\Events\XmlSignatureRejectionAttachment $value)
    {
        if ($this->XmlSignatureRejections === null) {
            $this->XmlSignatureRejections = new \Protobuf\MessageCollection();
        }

        $this->XmlSignatureRejections->add($value);
    }