/**
* Unset an offset.
*
* @param mixed $offset
*/
public function offsetUnset($offset)
{
return $this->sequenceFile->deleteSequence($offset);
}
/**
* Clear the collection.
*
*/
public function clear()
{
foreach ($this->sequenceFile->getSequenceIndex() as $indexEntry => $value) {
$this->sequenceFile->deleteSequence($indexEntry);
}
}
