textFragmentSuffixLength = fessConfig.getQueryHighlightTextFragmentSuffixLengthAsInteger();
        textFragmentSize = fessConfig.getQueryHighlightTextFragmentSizeAsInteger();

        split(fessConfig.getResponseInlineMimetypes(), ",")
                .of(stream -> stream.map(String::trim).filter(StringUtil::isNotEmpty).forEach(inlineMimeTypeSet::add));
    }

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

    /**
     * Get the value for the key 'query.highlight.text.fragment.prefix.length'. <br>
     * The value is, e.g. 5 <br>