@Override
    public IExportWriter startClientVersion(ClientVersionBean cvb) {
        writeStartObject();
        try {
            cvb = (ClientVersionBean) cvb.clone();
            cvb.setClient(null);
            jg.writeObjectField(ClientVersionBean.class.getSimpleName(), cvb);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
        return this;
    }
@see io.apiman.manager.api.exportimport.write.IExportWriter#startClientVersion(ClientVersionBean)
manager/api/export-import/src/main/java/io/apiman/manager/api/exportimport/json/JsonExportWriter.java