V extends @Nullable Object,
          M extends Multimap<K, V>>
      Collector<T, ?, M> toMultimap(
          java.util.function.Function<? super T, ? extends K> keyFunction,
          java.util.function.Function<? super T, ? extends V> valueFunction,
          java.util.function.Supplier<M> multimapSupplier) {
    return CollectCollectors.<T, K, V, M>toMultimap(keyFunction, valueFunction, multimapSupplier);
  }

  /**

 - Scheduler's CycleState now embeds internal read/write locking inside its `Read()` and `Write()` functions. Meanwhile, `Lock()` and `Unlock()` function are removed. Scheduler plugin developers are now required to remove `CycleState#Lock()` and `CycleState#Unlock()`. Just simply use `Read()` and `Write()` as they're natively thread-safe now. ([#101542](https://github.com/k...

- Fixed a bug where CEL expressions in CRD validation rules would incorrectly compute a high estimated cost for functions that return strings, lists or maps.
  The incorrect cost was evident when the result of a function was used in subsequent operations. ([#119800](https://github.com/kubernetes/kubernetes/pull/119800), [@jpbetz](https://github.com/jpbetz)) [SIG API Machinery, Auth and Cloud Provider]

## Changes by Kind

### API Change

- Fixed a bug where CEL expressions in CRD validation rules would incorrectly compute a high estimated cost for functions that return strings, lists or maps.
  The incorrect cost was evident when the result of a function was used in subsequent operations. ([#119810](https://github.com/kubernetes/kubernetes/pull/119810), [@jpbetz](https://github.com/jpbetz)) [SIG API Machinery, Auth and Cloud Provider]

    checkNotNull(key);
    checkNotNull(function);
    int hash = hash(key);
    return segmentFor(hash).compute(key, hash, function);
  }

  @Override
  public V computeIfAbsent(K key, Function<? super K, ? extends V> function) {
    checkNotNull(key);
    checkNotNull(function);

- Reverts the CRI API version surfaced by dockershim to `v1alpha2`. ([#106808](https://github.com/kubernetes/kubernetes/pull/106808), [@saschagrunert](https://github.com/saschagrunert))
- Scheduler resource metrics over fractional binary quantities (2.5Gi, 1.1Ki) were incorrectly reported as very small values. ([#103751](https://github.com/kubernetes/kubernetes/pull/103751), [@y-tag](https://github.com/y-tag))

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    * plus is placed in a defer call so the locking is effectively
    * nonexistent.  This patch adds an anonymous function call inside
    * the loop to correctly handle acquiring the write lock with deferred
    * unlock to run at that function's completion, following the normal
    * golang lock/deferred-unlock pattern.

- Replaced Boolean-pointer-helper functions with the `k8s.io/utils/ptr` implementations. ([#132794](https://github.com/kubernetes/kubernetes/pull/132794), [@PatrickLaabs](https://github.com/PatrickLaabs)) [SIG API Machinery, Auth, CLI, Node and Testing]

- CRD `x-kubernetes-validations` rules now support the CEL functions: `isSorted`, `sum`, `min`, `max`, `indexOf`, `lastIndexOf`, `find` and `findAll`. ([#108312](https://github.com/kubernetes/kubernetes/pull/108312), [@jpbetz](https://github.com/jpbetz))