DevModeResponse.Builder devModeResponseBuilder = DevModeResponse.newBuilder();
devModeResponseBuilder.setResponseType(DevModeResponse.ResponseType.CAPABILITY_EXCHANGE);
devModeResponseBuilder.setCapabilityExchange(capabilityExchangeResponseBuilder);
Response.Builder responseBuilder = Response.newBuilder();
responseBuilder.setDevModeResponse(devModeResponseBuilder);
Response response = responseBuilder.build();
Message.Builder responseMsgBuilder = Message.newBuilder();
responseMsgBuilder.setMessageType(Message.MessageType.RESPONSE);
// Make sure we set the right message id
responseMsgBuilder.setMessageId(receivedRequest.getMessageId());
responseMsgBuilder.setResponse(response);