code: public function getSettings($namespace)
      {
          if ($this->getCacheOptions()->isEnabled()) {
              if ($this->cacheManager->settingsExists($namespace)) {
                  return $this->cacheManager->get($namespace);
              }
              $settings = $this->getSettingsFromRealSource($namespace);
              $this->cacheManager->create($namespace, $settings);
  
              return $settings;
          }
  
          return $this->getSettingsFromRealSource($namespace);
      }
docs: {@inheritDoc}