docMap.put(hlPrefix + highlightField.getName(), text);
                    }
                });
                if (Constants.TEXT_FRAGMENT_TYPE_HIGHLIGHT.equals(fessConfig.getQueryHighlightTextFragmentType())) {
                    docMap.put(Constants.TEXT_FRAGMENTS,
                            viewHelper.createTextFragmentsByHighlight(highlightFields.values().toArray(HighlightField[]::new)));
                }

     * comment: Type for text fragment in query highlighting.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getQueryHighlightTextFragmentType();

    /**
     * Get the value for the key 'query.highlight.text.fragment.size'. <br>
     * The value is, e.g. 3 <br>
     * comment: Size for text fragment in query highlighting.