private function appendElement($key, Segment $segment, $properties)
{
$result = '';
// ignore separator after the last element
if ($key > 0) {
$result .= $this->separator;
}
if ($segment->get('disabled')) {
$result .= $this->getInactiveElementByFieldName($this->properties($properties), $this->casing($segment->get('raw'), $this->casing));
} elseif (is_null($segment->get('link'))) {
$result .= $this->getInactiveElementByFieldName($this->properties($properties), $this->casing($segment->get('translated'), $this->casing));
} else {
$result .= '<li itemscope itemtype="http://data-vocabulary.org/Breadcrumb"><a href="' . $segment->get('link') . '" ' . $this->properties($properties) . ' itemprop="url">' . '<span itemprop="title">' . $this->casing($segment->get('translated'), $this->casing) . '</span>' . '</a></li>';
}
return $result;
}