@Override
    @SuppressWarnings("nls")
    public String toString() {
        return "NewPluginBean [groupId=" + groupId + ", artifactId=" + artifactId + ", version=" + version
                + ", classifier=" + classifier + ", type=" + type + ", name=" + name + ", description="
                + description + "]";
    }
@param upgrade the upgrade to set
manager/api/beans/src/main/java/io/apiman/manager/api/beans/plugins/NewPluginBean.java