anchor.diff:        });
   
         // Transmission has finished
  -      response.endHandler(new Handler<Void>) {
  +      response.endHandler(new Handler<Void>() {
   
           void handle(Void flag) {
             endHandler.handle((Void) null);
             // You may want to close your backend connection here.
           }
  -      }
  +      });
       }
   
       @Override
  
positive.code:     // Call #end only once.
      writeStream.end();
    }
  }
  ```
  
  Any data flowing into the executor must first be wrapped in your implementation of `IApimanBuffer` before being passed to `write`. You may call `write` an unlimited number of times, and indicate that transmission has completed by signalling `end`.
  
negative.code: Implementation exemplars:
  
  * link:++https://github.com/apiman/apiman/blob/master/gateway/platforms/servlet/src/main/java/io/apiman/gateway/platforms/servlet/connectors/HttpApiConnection.java++[Servlet HTTP Connector] is a more traditional synchronous implementations.
  * link:++ https://github.com/apiman/apiman/blob/master/gateway/platforms/vertx3/vertx3/src/main/java/io/apiman/gateway/platforms/vertx3/connector/HttpConnector.java++[Vert.x 3 HTTP Connector] is an asynchronous HTTP implementation.
  