mergedItem.setFields(mergeStringArrays(item1.getFields(), item2.getFields()));
        mergedItem.setTags(mergeStringArrays(item1.getTags(), item2.getTags()));
        mergedItem.setLanguages(mergeStringArrays(item1.getLanguages(), item2.getLanguages()));
        mergedItem.setRoles(mergeStringArrays(item1.getRoles(), item2.getRoles()));

        // Merge kinds
        mergedItem.setKinds(mergeKinds(item1.getKinds(), item2.getKinds()));

        this.includesDependencies = includesDependencies;
    }

    @Override
    public boolean isIncludesDependencies() {
        return includesDependencies;
    }

    public void setLanguage(String language) {
        this.language = language;
    }

    @Override
    public String getLanguage() {
        return language;
    }

    @Deprecated

    }

    @Override
    public String getLanguage() {
        if (language == null) {
            return "none";
        }

        return language;
    }

    public void setLanguage(final String language) {
        this.language = language;
    }

    @Override
    @Deprecated
    public boolean isAddedToClasspath() {
        return addedToClasspath;
    }

    @Deprecated

            num = fessConfig.getPagingSearchPageMaxSizeAsInteger();
        }
        return num;
    }

    @Override
    public String[] getLanguages() {
        return stream(lang).get(stream -> stream.filter(StringUtil::isNotBlank).distinct().toArray(n -> new String[n]));
    }

    @Override
    public GeoInfo getGeoInfo() {
        return null;
    }

        SuggestItem item2 = createItemWithLanguages("text", "ja", "zh");

        SuggestItem merged = SuggestItemMerger.merge(item1, item2);

        String[] languages = merged.getLanguages();
        Set<String> langSet = new HashSet<>(Arrays.asList(languages));

        assertEquals(3, langSet.size());
        assertTrue(langSet.contains("en"));
        assertTrue(langSet.contains("ja"));

    }

    @Override
    public Map<String, String[]> getFields() {
        return fields;
    }

    @Override
    public String[] getLanguages() {
        return stream(lang).get(stream -> stream.filter(StringUtil::isNotBlank).distinct().toArray(n -> new String[n]));
    }

    @Override
    public GeoInfo getGeoInfo() {

            return null;
        }

        @Override
        public Map<String, String[]> getConditions() {
            return null;
        }

        @Override
        public String[] getLanguages() {
            return null;
        }

        @Override
        public GeoInfo getGeoInfo() {
            return null;
        }

        @Override
        public FacetInfo getFacetInfo() {

     */
    public abstract Map<String, String[]> getConditions();

    /**
     * Returns the languages.
     *
     * @return The languages.
     */
    public abstract String[] getLanguages();

    /**
     * Returns the geo info.
     *
     * @return The geo info.
     */
    public abstract GeoInfo getGeoInfo();

    /**
     * Returns the facet info.
     *