private function checkEnabledRouters(InputInterface $input, OutputInterface $output)
{
// Aura Check
if ($this->routingEngine == self::ROUTING_ENGINE_AURA && !class_exists('\\Aura\\Router\\Router')) {
$output->writeln("<comment>Aura Router doesn't appear to be loaded. Run: <info>composer require ppi/aura-router</info></comment>");
}
// Laravel check
if ($this->routingEngine == self::ROUTING_ENGINE_LARAVEL && !class_exists('\\PPI\\LaravelRouting\\LaravelRouter')) {
$output->writeln("<comment>Laravel Router doesn't appear to be loaded. Run: <info>composer require ppi/laravel-router</info></comment>");
}
if ($this->routingEngine == self::ROUTING_ENGINE_FASTROUTE && !class_exists('\\PPI\\FastRoute\\Wrapper\\FastRouteWrapper')) {
$output->writeln("<comment>FastRoute Router doesn't appear to be loaded. Run: <info>composer require ppi/fast-route</info></comment>");
}
}