clojure - Clojure deftype with Type Hints?:一致するメソッドが見つかりません。自動一致のヒントを残します

Question

を取得してIllegalArgumentException: Can't find matching method: render, leave off hints for auto matchいますが、メソッドをオーバーロードするには型ヒントが必要です。何が足りないの...?

(defprotocol LinkRendererProtocol                                                                                                                                                                                                             
  (render                                                                                                                                                                                                                                     
    [this node]                                                                                                                                                                                                                               
    [this node text]                                                                                                                                                                                                                          
    [this node url title text]                                                                                                                                                                                                                
))                                                                                                                                                                                                                                            


(deftype LinkRenderer [handlers]                                                                                                                                                                                                              
  LinkRendererProtocol                                                                                                                                                                                                                        

  (render [this ^AutoLinkNode node]                                                                                                                                                                                                           
    (rendering :auto-link handlers node))                                                                                                                                                                                                     
  (render [this ^ExpLinkNode  node text]                                                                                                                                                                                                      
    (rendering :exp-link handlers node text))                                                                                                                                                                                                 
  (render [this ^ExpImageNode node text]                                                                                                                                                                                                      
    (rendering :exp-image-link handlers node text))                                                                                                                                                                                           
  (render [this ^MailLinkNode node]                                                                                                                                                                                                           
    (rendering :mail-link handlers node))                                                                                                                                                                                                     
  (render [this ^RefLinkNode  node url title text]                                                                                                                                                                                            
    (rendering :ref-link handlers node url title text))                                                                                                                                                                                       
  (render [this ^RefImageNode node url title alt]                                                                                                                                                                                             
    (rendering :ref-image handlers node url title alt))                                                                                                                                                                                       
  (render [this ^WikiLinkNode node]                                                                                                                                                                                                           
    (rendering :wiki-link handlers node)))                                                                                                                                                                                                    

(defn link-renderer                                                                                                                                                                                                                           
  [handlers]                                                                                                                                                                                                                                  
  (LinkRenderer. (merge default-handlers handlers)))