public function analyze()
{
// spot the first element
$this->atomIs('File')->outIs('FILE')->outWithRank('ELEMENT', 0)->regexIs('code', '^\\\\s+\\$');
$this->prepareQuery();
// Spot the last element
$this->atomIs('File')->outIs('FILE')->outWithRank('ELEMENT', 'last')->regexIs('code', '^\\\\s+\\$');
$this->prepareQuery();
}