class MustNotFieldSearchParam implements SearchParam {

    @Override
    public boolean equals(Object obj) {
        if (!(obj instanceof MustNotFieldSearchParam)) {
            return false;
        }
        if (this == obj) {
            return true;
        }
        MustNotFieldSearchParam so = (MustNotFieldSearchParam) obj;
        return new EqualsBuilder().append(fieldName, so.fieldName).append(value, so.value).isEquals();
    }

    public  MustNotFieldSearchParam(String fieldName, String value);

}