): List<R> {
    if (list.isEmpty()) {
        return noElementSplitFunction(expectedBucketNumber)
    }
    if (expectedBucketNumber == 1) {
        return listOf(smallElementAggregateFunction(list))
    }

    val expectedBucketSize = list.sumOf(toIntFunction) / expectedBucketNumber

    if (expectedBucketSize == 0) {

    assertAssignable(
        new TypeToken<List<? extends N1>>() {}, new TypeToken<List<? extends N1>>() {});
    assertAssignable(new TypeToken<List<? super N1>>() {}, new TypeToken<List<? super N1>>() {});
    assertAssignable(
        new TypeToken<List<? extends Number>>() {}, new TypeToken<List<? extends Number>>() {});
    assertAssignable(
        new TypeToken<List<? super Number>>() {}, new TypeToken<List<? super Number>>() {});
  }

        List<Artifact> list = pluginHelper.processRepository(ArtifactType.CRAWLER, "plugin/repo3/");
        assertEquals(2, list.size());
        assertEquals("fess-crawler-smbj", list.get(0).getName());
        assertEquals("14.14.0", list.get(0).getVersion());
        assertEquals("plugin/repo3/fess-crawler-smbj/14.14.0/fess-crawler-smbj-14.14.0.jar", list.get(0).getUrl());
        assertEquals("fess-crawler-smbj", list.get(1).getName());

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

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

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

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

        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<UserInfo> list) {
        return batchUpdate(list, null, null);
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

            val buckets: List<List<PerformanceTestDuration>> = splitIntoBuckets(list, toIntFunction, largeElementSplitFunction, smallElementAggregateFunction, expectedBucketNumber, Integer.MAX_VALUE, { listOf() })
                .filter { it.isNotEmpty() }

            buckets.mapIndexed { index: Int, classesInBucket: List<PerformanceTestDuration> ->