code: public function register()
      {
          TranslatableConfig::cacheGetter(function($table) {
              return $this->app['cache']->get('translatable.' . $table);
          });
  
          TranslatableConfig::cacheSetter(function($table, $fields) {
              return $this->app['cache']->forever('translatable.' . $table, $fields);
          });
  
          TranslatableConfig::currentLocaleGetter(function() {
              return $this->app->getLocale();
          });
  
          TranslatableConfig::fallbackLocaleGetter(function() {
              return method_exists($this->app, 'getFallbackLocale')
                  ? $this->app->getFallbackLocale()
                  : config('app.fallback_locale');
          });
      }
docs: Register the service provider.
  
  @return void