/**
  * Create the aggregate resolver to use with the Mustache instance.
  *
  * @param array $config phly-mustache configuration.
  * @param ContainerInterface $container
  * @return Resolver\AggregateResolver
  */
 private function createResolver(array $config, ContainerInterface $container)
 {
     $resolvers = [];
     if (isset($config['resolvers'])) {
         $resolvers = $this->createResolvers($config['resolvers'], $container);
     }
     $aggregate = new Resolver\AggregateResolver();
     foreach ($resolvers as $resolver) {
         $aggregate->attach($resolver);
     }
     if ($aggregate->hasType(Resolver\DefaultResolver::class)) {
         $defaultResolver = $aggregate->fetchByType(Resolver\DefaultResolver::class);
     } else {
         $defaultResolver = new Resolver\DefaultResolver();
         $aggregate->attach($defaultResolver, 0);
     }
     if (isset($config['paths']) && is_array($config['paths'])) {
         $this->injectResolverPaths($config['paths'], $defaultResolver);
     }
     if (isset($config['suffix']) && is_string($config['suffix']) && !empty($config['suffix'])) {
         $defaultResolver->setSuffix($config['suffix']);
     }
     if (isset($config['separator']) && is_string($config['separator']) && !empty($config['separator'])) {
         $defaultResolver->setSeparator($config['separator']);
     }
     return $aggregate;
 }