// deal with empty-map optimization.
    map1.put(0, null);

    int initialBuckets = bucketsOf(map1);

    for (int i = 1; i < size; i++) {
      map1.put(i, null);
    }
    assertWithMessage("table size after adding %s elements", size)
        .that(bucketsOf(map1))
        .isEqualTo(initialBuckets);

    /*

[
  {
    "testCoverageUuid": 1,
    "buckets": [
      {
        "subprojects": [
          "configuration-cache"
        ],
        "parallelizationMethod": {
          "name": "TestDistribution"
        }
      },
      {
        "subprojects": [
          "tooling-api"
        ],
        "parallelizationMethod": {
          "name": "TestDistribution"
        }
      },
      {
        "subprojects": [

          commit-message: Update test buckets
          branch: devprod/update-test-buckets
          branch-suffix: timestamp
          delete-branch: true
          title: 'Update test buckets'
          signoff: true
          sign-commits: true
          labels: |
            in:building-gradle
            @dev-productivity
          body: |
            This PR updates the test buckets based on the latest test class data.

on:
  schedule:
    - cron: '53 3 * * 1'
  workflow_dispatch:

permissions:
  contents: write
  id-token: write
  pull-requests: write

jobs:
  update-perf-test-buckets:
    runs-on: ubuntu-latest

    if: github.repository == 'gradle/gradle'

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
      - name: configure aws credentials

    crossVersionBuckets: List<List<String>>,
    private val model: CIBuildModel,
) : FunctionalTestBucketProvider {
    private val buckets: List<BuildTypeBucket> = crossVersionBuckets.map { GradleVersionRangeCrossVersionTestBucket(it[0], it[1]) }

    // For quickFeedbackCrossVersion and allVersionsCrossVersion, the buckets are split by Gradle version
    // By default, split them by CROSS_VERSION_BUCKETS
    override fun createFunctionalTestsFor(

  static Object createTable(int buckets) {
    if (buckets < 2
        || buckets > Ints.MAX_POWER_OF_TWO
        || Integer.highestOneBit(buckets) != buckets) {
      throw new IllegalArgumentException("must be power of 2 between 2^1 and 2^30: " + buckets);
    }
    if (buckets <= BYTE_MAX_SIZE) {
      return new byte[buckets];
    } else if (buckets <= SHORT_MAX_SIZE) {

  static Object createTable(int buckets) {
    if (buckets < 2
        || buckets > Ints.MAX_POWER_OF_TWO
        || Integer.highestOneBit(buckets) != buckets) {
      throw new IllegalArgumentException("must be power of 2 between 2^1 and 2^30: " + buckets);
    }
    if (buckets <= BYTE_MAX_SIZE) {
      return new byte[buckets];
    } else if (buckets <= SHORT_MAX_SIZE) {

	e.ExpireBucket = bucketID
	c.buckets[bucketID].entries[e.Key] = e
	if c.buckets[bucketID].newestEntry.Before(e.ExpiresAt) {
		c.buckets[bucketID].newestEntry = e.ExpiresAt
	}
}

// removeFromBucket removes the entry from its corresponding bucket. Has to be called with lock!
func (c *LRU[K, V]) removeFromBucket(e *Entry[K, V]) {
	delete(c.buckets[e.ExpireBucket].entries, e.Key)
}

            }
        }

        fun assertProjectAreSplitByGradleVersionCorrectly(
            buckets: List<List<String>>,
            testType: TestType,
            functionalTests: List<BaseGradleBuildType>,
        ) {
            buckets.forEachIndexed { index: Int, startEndVersion: List<String> ->

        val buckets =
            splitBucketsByScenarios(
                scenarios,
                testProjectToScenarioDurations,
                testProjectScenarioDurationsFallback,
                performanceTestCoverage.numberOfBuckets,
            )
        return buckets.mapIndexed { bucketIndex: Int, bucket: PerformanceTestBucket ->