if (StringUtil.isBlank(title)) {
                title = DocumentUtil.getValue(document, fessConfig.getIndexFieldUrl(), String.class);
            }
        }
        final int size = fessConfig.getResponseMaxTitleLengthAsInteger();
        if (size > -1) {
            title = StringUtils.abbreviate(title, size);
        }
        final String value = LaFunctions.h(title);

     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     * @throws NumberFormatException When the property is not integer.
     */
    Integer getResponseMaxTitleLengthAsInteger();

    /**
     * Get the value for the key 'response.max.site.path.length'. <br>
     * The value is, e.g. 100 <br>
     * comment: Maximum length of site path in the response.