code: private function generatePureCreatorMethod(ServiceDefinition $service) : string
      {
          $taggedAs        = implode(', ', $service->getTags());
          $classNormalized = $this->normalizeFqcn($service->getClass());
  
          ////  SINGLETON  ////////////////////////////////////////////////////////////////////////////////////////////
  
          if ($service->isSingleton()) {
  
              return <<<PHP
      /**
       * Get service {$service->getId()} (Singleton)
       *
       * It is tagged as: {$taggedAs}
       *
       * @return {$this->normalizeFqcn($service->getClass())}
       */
      public function {$this->mapIdToServiceGetter($service->getId())} () : $classNormalized {
  
          if (isset(\$this->singletons['{$service->getId()}'])) {
              return \$this->singletons['{$service->getId()}'];
          }
  
          /** @noinspection OneTimeUseVariablesInspection */
          \$service = \$this->singletons['{$service->getId()}'] = new $classNormalized(
  {$this->buildInjectionParameters($this->container, $service->getInjection()->getCreatorInjection())}
          );
  
  {$this->generateSetterInjectionsCode($service)}
  
          return \$service;
      }
  
  PHP;
          }
  
          ////  PROTOTYPE  ////////////////////////////////////////////////////////////////////////////////////////////
  
          return <<<PHP
      /**
       * Get a fresh instance of service "{$service->getId()}" (Prototype)
       *
       * It is tagged as: {$taggedAs}
       *
       * @return {$this->normalizeFqcn($service->getClass())}
       */
      public function {$this->mapIdToServiceGetter($service->getId())} () : $classNormalized {
  
          \$this->prototypes['{$service->getId()}'] = (\$this->prototypes['{$service->getId()}'] ?? 0) + 1;
  
          /** @noinspection OneTimeUseVariablesInspection */
          \$service = new $classNormalized(
  {$this->buildInjectionParameters($this->container, $service->getInjection()->getCreatorInjection())}
          );
  
  {$this->generateSetterInjectionsCode($service)}
  
          return \$service;
      }
  
  PHP;
  
      }
docs: Generates a creator method the instantiates a service with "new"
  
  @param ServiceDefinition $service
  
  @return string