.sum();
        
        if (totalWeight == 0) {
            // All channels have zero score, pick randomly
            List<ChannelInfo> list = new ArrayList<>(channels);
            return list.get(ThreadLocalRandom.current().nextInt(list.size()));
        }
        
        // Weighted random selection
        int random = ThreadLocalRandom.current().nextInt(totalWeight);

        List<String> results = converter.convert("シャ", null);
        assertTrue(results.contains("sya"));
        assertTrue(results.contains("sha"));
    }

    public void test_convertCha() {
        List<String> results = converter.convert("チャ", null);
        assertTrue(results.contains("tya"));
        assertTrue(results.contains("cha"));
    }

    public void test_convertJa() {

        list = extractor.parseCommand(cmd, params);
        assertEquals(2, list.size());
        assertEquals("test.sh", list.get(0));
        assertEquals("test1 ' test2", list.get(1));

        cmd = "test.sh 'test1 \" test2'";
        params.clear();
        list = extractor.parseCommand(cmd, params);
        assertEquals(2, list.size());
        assertEquals("test.sh", list.get(0));
        assertEquals("test1 \" test2", list.get(1));

        return doBatchInsert(new BulkList<>(list, call, entityCall), null);
    }

    public int[] batchUpdate(List<AccessToken> list) {
        return batchUpdate(list, null, null);
    }

    public int[] batchUpdate(List<AccessToken> list, RequestOptionCall<BulkRequestBuilder> call) {
        return batchUpdate(list, call, null);
    }

    public int[] batchUpdate(List<AccessToken> list, RequestOptionCall<BulkRequestBuilder> call,

    }

    public int[] batchInsert(List<ElevateWordToLabel> list) {
        return batchInsert(list, null, null);
    }

    public int[] batchInsert(List<ElevateWordToLabel> list, RequestOptionCall<BulkRequestBuilder> call) {
        return batchInsert(list, call, null);
    }

    public int[] batchInsert(List<ElevateWordToLabel> list, RequestOptionCall<BulkRequestBuilder> call,

        return doBatchInsert(new BulkList<>(list, call, entityCall), null);
    }

    public int[] batchUpdate(List<KeyMatch> list) {
        return batchUpdate(list, null, null);
    }

    public int[] batchUpdate(List<KeyMatch> list, RequestOptionCall<BulkRequestBuilder> call) {
        return batchUpdate(list, call, null);
    }

    public int[] batchUpdate(List<KeyMatch> list, RequestOptionCall<BulkRequestBuilder> call,

    }

    public int[] batchUpdate(List<RelatedContent> list) {
        return batchUpdate(list, null, null);
    }

    public int[] batchUpdate(List<RelatedContent> list, RequestOptionCall<BulkRequestBuilder> call) {
        return batchUpdate(list, call, null);
    }

        return doBatchInsert(new BulkList<>(list, call, entityCall), null);
    }

    public int[] batchUpdate(List<RelatedQuery> list) {
        return batchUpdate(list, null, null);
    }

    public int[] batchUpdate(List<RelatedQuery> list, RequestOptionCall<BulkRequestBuilder> call) {
        return batchUpdate(list, call, null);
    }

    public int[] batchUpdate(List<RelatedQuery> list, RequestOptionCall<BulkRequestBuilder> call,

        return doBatchInsert(new BulkList<>(list, call, entityCall), null);
    }

    public int[] batchUpdate(List<FavoriteLog> list) {
        return batchUpdate(list, null, null);
    }

    public int[] batchUpdate(List<FavoriteLog> list, RequestOptionCall<BulkRequestBuilder> call) {
        return batchUpdate(list, call, null);
    }

    public int[] batchUpdate(List<FavoriteLog> list, RequestOptionCall<BulkRequestBuilder> call,

        return doBatchInsert(new BulkList<>(list, call, entityCall), null);
    }

    public int[] batchUpdate(List<Group> list) {
        return batchUpdate(list, null, null);
    }

    public int[] batchUpdate(List<Group> list, RequestOptionCall<BulkRequestBuilder> call) {
        return batchUpdate(list, call, null);
    }

    public int[] batchUpdate(List<Group> list, RequestOptionCall<BulkRequestBuilder> call,