SomeAutowiredService.php

<?php

class SomeAutowiredService
{
    use UrlGeneratorTrait;
    
    public function doSomething()
    {
        $url = $this->generateUrl('homepage');
        
        // ...
    }
  
}

UrlGeneratorTrait

<?php

trait UrlGeneratorTrait
{
    private $router;

    public function setRouter(RouterInterface $router)
    {
        $this->router = $router;
    }
    
    private function generateUrl($name, array $params = array())
    {
        return $this->router->generate($name, $params);
    }
}