if (runningOnCI) {
                slf4jLogger.info(
                        "Making this build non-interactive, because the environment variable CI equals \"true\"."
                                + " Disable this detection by removing that variable or adding --force-interactive.");
                request.setInteractiveMode(false);
            }
        }
    }

    before the response starts. With duplex, request and response bodies are transmitted
    simultaneously. This can be used to implement interactive conversations within a single HTTP
    call.

    Create duplex calls by overriding the new `RequestBody.isDuplex()` method to return true.