@interface DOCThumbnailRequest : NSObject @property (copy, nonatomic) id /* block */ thumbnailGenerationRequiresDownloadHandler; + (id)iconRequestForNode:(id)a0 descriptor:(id)a1 thumbnailGenerator:(id)a2; + (id)iconRequestForURL:(id)a0 descriptor:(id)a1 thumbnailGenerator:(id)a2; + (id)requestForNode:(id)a0 descriptor:(id)a1 thumbnailGenerator:(id)a2; - (void).cxx_destruct; - (void)cancel; - (void)generateThumbnailWithCompletionHandler:(id /* block */)a0; @end