This is the output
grep -Ri filterGeo src/addons
src/addons/DigitalPoint/Cloudflare/XF/Template/Templater.php: 'geo' => 'filterGeo',
src/addons/DigitalPoint/Cloudflare/XF/Template/Templater.php: public function filterGeo($templater, $value, &$escape, $item = null)...