String QUERY_COLLAPSE_INNER_HITS_NAME = "query.collapse.inner.hits.name";

    /** The key of the configuration. e.g. 0 */
    String QUERY_COLLAPSE_INNER_HITS_SIZE = "query.collapse.inner.hits.size";

    /** The key of the configuration. e.g.  */
    String QUERY_COLLAPSE_INNER_HITS_SORTS = "query.collapse.inner.hits.sorts";

    /** The key of the configuration. e.g.  */

    public void initialize(final CustomSize constraintAnnotation) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String minKey = constraintAnnotation.minKey();
        if (StringUtil.isNotBlank(minKey)) {
            min = Integer.parseInt(fessConfig.get(minKey));
        }
        final String maxKey = constraintAnnotation.maxKey();
        if (StringUtil.isNotBlank(maxKey)) {

    Class<?>[] groups() default {};

    Class<? extends Payload>[] payload() default {};

    /**
     * @return name of size the element must be higher or equal to
     */
    String minKey() default StringUtil.EMPTY;

    /**
     * @return name of size the element must be lower or equal to
     */
    String maxKey() default StringUtil.EMPTY;