Symfony\Component\DependencyInjection\Definition::isAutowired PHP Method

    public function isAutowired()
    {
        return !empty($this->autowiredMethods);
    }

 /**
  * Adds a service.
  *
  * @param Definition  $definition
  * @param string      $id
  * @param \DOMElement $parent
  */
 private function addService($definition, $id, \DOMElement $parent)
 {
     $service = $this->document->createElement('service');
     if (null !== $id) {
         $service->setAttribute('id', $id);
     }
     if ($class = $definition->getClass()) {
         if ('\\' === substr($class, 0, 1)) {
             $class = substr($class, 1);
         }
         $service->setAttribute('class', $class);
     }
     if (!$definition->isShared()) {
         $service->setAttribute('shared', 'false');
     }
     if (!$definition->isPublic()) {
         $service->setAttribute('public', 'false');
     }
     if ($definition->isSynthetic()) {
         $service->setAttribute('synthetic', 'true');
     }
     if ($definition->isLazy()) {
         $service->setAttribute('lazy', 'true');
     }
     if (null !== ($decorated = $definition->getDecoratedService())) {
         list($decorated, $renamedId, $priority) = $decorated;
         $service->setAttribute('decorates', $decorated);
         if (null !== $renamedId) {
             $service->setAttribute('decoration-inner-name', $renamedId);
         }
         if (0 !== $priority) {
             $service->setAttribute('decoration-priority', $priority);
         }
     }
     foreach ($definition->getTags() as $name => $tags) {
         foreach ($tags as $attributes) {
             $tag = $this->document->createElement('tag');
             $tag->setAttribute('name', $name);
             foreach ($attributes as $key => $value) {
                 $tag->setAttribute($key, $value);
             }
             $service->appendChild($tag);
         }
     }
     if ($definition->getFile()) {
         $file = $this->document->createElement('file');
         $file->appendChild($this->document->createTextNode($definition->getFile()));
         $service->appendChild($file);
     }
     if ($parameters = $definition->getArguments()) {
         $this->convertParameters($parameters, 'argument', $service);
     }
     if ($parameters = $definition->getProperties()) {
         $this->convertParameters($parameters, 'property', $service, 'name');
     }
     $this->addMethodCalls($definition->getMethodCalls(), $service);
     if ($callable = $definition->getFactory()) {
         $factory = $this->document->createElement('factory');
         if (is_array($callable) && $callable[0] instanceof Definition) {
             $this->addService($callable[0], null, $factory);
             $factory->setAttribute('method', $callable[1]);
         } elseif (is_array($callable)) {
             $factory->setAttribute($callable[0] instanceof Reference ? 'service' : 'class', $callable[0]);
             $factory->setAttribute('method', $callable[1]);
         } else {
             $factory->setAttribute('function', $callable);
         }
         $service->appendChild($factory);
     }
     if ($definition->isDeprecated()) {
         $deprecated = $this->document->createElement('deprecated');
         $deprecated->appendChild($this->document->createTextNode($definition->getDeprecationMessage('%service_id%')));
         $service->appendChild($deprecated);
     }
     if ($definition->isAutowired()) {
         $service->setAttribute('autowire', 'true');
     }
     foreach ($definition->getAutowiringTypes() as $autowiringTypeValue) {
         $autowiringType = $this->document->createElement('autowiring-type');
         $autowiringType->appendChild($this->document->createTextNode($autowiringTypeValue));
         $service->appendChild($autowiringType);
     }
     if ($callable = $definition->getConfigurator()) {
         $configurator = $this->document->createElement('configurator');
         if (is_array($callable) && $callable[0] instanceof Definition) {
             $this->addService($callable[0], null, $configurator);
             $configurator->setAttribute('method', $callable[1]);
         } elseif (is_array($callable)) {
             $configurator->setAttribute($callable[0] instanceof Reference ? 'service' : 'class', $callable[0]);
             $configurator->setAttribute('method', $callable[1]);
         } else {
             $configurator->setAttribute('function', $callable);
         }
         $service->appendChild($configurator);
     }
     $parent->appendChild($service);
 }