}

    // Test getLanguages method
    @Test
    public void test_getLanguages_fromParams() {
        SearchRequestParams params = createMockSearchRequestParams();
        ((MockSearchRequestParams) params).setLanguages(new String[] { "en", "ja" });

        try {
            String[] languages = searchHelper.getLanguages(getMockRequest(), params);

            assertNotNull(languages);

            }

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

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

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

            @Override

        registerModifiedProperty("hitCountRelation");
        this.hitCountRelation = value;
    }

    public String getLanguages() {
        checkSpecifiedProperty("languages");
        return convertEmptyToNull(languages);
    }

    public void setLanguages(String value) {
        registerModifiedProperty("languages");
        this.languages = value;
    }

    public String getQueryId() {

        assertTrue(items.size() > 0);
        SuggestItem item = items.get(0);
        assertTrue("Should have language", item.getLanguages().length > 0);
        assertEquals("ja", item.getLanguages()[0]);
    }

    @Test
    public void test_parseDocument_withNullLanguage() throws Exception {
        Map<String, Object> document = new HashMap<>();

            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() {

        }

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

        @Override
        public String[] getLanguages() {
            return new String[0];
        }

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

        @Override

            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() {

                (et, vl) -> ((SearchLog) et).setHitCountRelation(DfTypeUtil.toString(vl)), "hitCountRelation");
        setupEpg(_epgMap, et -> ((SearchLog) et).getLanguages(), (et, vl) -> ((SearchLog) et).setLanguages(DfTypeUtil.toString(vl)),
                "languages");
        setupEpg(_epgMap, et -> ((SearchLog) et).getQueryId(), (et, vl) -> ((SearchLog) et).setQueryId(DfTypeUtil.toString(vl)), "queryId");

            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 String[] getRoles() {
        return roles;
    }

    /**
     * Returns the languages of the suggest item.
     * @return The languages.
     */
    public String[] getLanguages() {
        return languages;
    }

    /**
     * Returns the fields of the suggest item.
     * @return The fields.
     */
    public String[] getFields() {
        return fields;
    }