public virtual void OnFindAllExecuted <T, TKey, TResult>(RepositoryQueryMultipleContext <T, TKey, TResult> context) where T : class
 {
 }
 public virtual bool OnFindAllExecuting <T, TKey, TResult>(RepositoryQueryMultipleContext <T, TKey, TResult> context) where T : class
 {
     return(true);
 }