code: public function get($name)
      {
          if (! isset($this->container[$name])) {
              throw new RuntimeException(
                  sprintf(
                      'Module "%s" is not found',
                      $name
                  )
              );
          }
  
          return $this->container[$name];
      }
docs: Gets the module.
  
  @param string $name The module name
  
  @throws \RuntimeException If module is not found
  
  @return AbstractModule The module