get('link_generation_test_link_alter', FALSE)) {
// Add a text to the end of links.
if (\Drupal::state()->get('link_generation_test_link_alter_safe', FALSE)) {
$variables['text'] = t('@text Test!', ['@text' => $variables['text']]);
}
else {
$variables['text'] .= ' Test!';
}
}
}