qbit/core/src/main/java/io/advantageous/qbit/boon/client/BoonClient.java
public void stop() {
        flush();
        if (httpServerProxy != null) {
            try {
                httpServerProxy.stop();
            } catch (Exception ex) {

                logger.warn("Problem closing httpServerProxy ", ex);
            }
        }
    }
public void stop() {
        flush();
        if (httpServerProxy != null) {
            try {
                httpServerProxy.stop();
            } catch (Exception ex) {

                logger.warn("Problem closing httpServerProxy ", ex);
            }
        }
    }
Stop client. Stops processing call backs.