Drest\DrestException::annotatedResourceRequiresAtLeastOneServiceDefinition PHP Method

    public static function annotatedResourceRequiresAtLeastOneServiceDefinition($className)
    {
        return new self('The annotated resource on class ' . $className . ' doesn\'t have any service definitions.' . ' Ensure you have "services={@Drest\\Service(..)} set');
    }

 /**
  * Load metadata for a class name
  * @param  object|string         $class - Pass in either the class name, or an instance of that class
  * @return Mapping\ClassMetaData $metaData - return null if metadata couldn't be populated from annotations
  * @throws DrestException
  */
 public function loadMetadataForClass($class)
 {
     if (is_string($class)) {
         $metadata = new Mapping\ClassMetaData(new \ReflectionClass($class));
     } else {
         $metadata = new Mapping\ClassMetaData($class);
     }
     if (!isset($this->classes[$class])) {
         throw new \RuntimeException('The class is not set: ' . $class);
     }
     $resource = $this->classes[$class];
     if ($resource['routes'] === null) {
         throw DrestException::annotatedResourceRequiresAtLeastOneServiceDefinition($resource['name']);
     }
     if (is_array($resource['representations'])) {
         $metadata->addRepresentations($resource['representations']);
     }
     $this->processRoutes($resource['routes'], $metadata);
     $this->processMethods($resource, $metadata);
     $this->checkHandleCalls($metadata->getRoutesMetaData());
     return $metadata;
 }