@Override
    public String toString() {
        return new StringJoiner(", ", SearchCriteriaFilterBean.class.getSimpleName() + "[", "]")
                       .add("name='" + name + "'")
                       .add("value='" + value + "'")
                       .add("operator=" + operator)
                       .toString();
    }
@see java.lang.Object#equals(java.lang.Object)
manager/api/beans/src/main/java/io/apiman/manager/api/beans/search/SearchCriteriaFilterBean.java