public function getRecordNameWithoutChunkAppendix($recordName)
    {
        if (!$this->isRecordNameAChunk($recordName)) {
            return $recordName;
        }

        $posAppendix = $this->getStartPosOfChunkAppendix($recordName);

        if (false === $posAppendix) {
            return $recordName;
        }

        return substr($recordName, 0, $posAppendix);
    }