protected function formatAddresses(array $emailAddresses)
{
foreach ($emailAddresses as $index => $emailAddress) {
$addressType = $this->getArrayValue($this->getOptions()['addressType'], $this->getAttribute());
$addressPrefix = $this->isDefaultValueAttribute() ? strtoupper($addressType) . ':' : strtolower($addressType) . ':';
$emailAddresses[$index] = $addressPrefix . $emailAddress;
}
return $emailAddresses;
}