BinaryOperator<V> mergeFunction) {
    return CollectCollectors.toImmutableEnumMap(keyFunction, valueFunction, mergeFunction);
  }

  /**
   * Creates a <i>mutable</i>, empty {@code HashMap} instance.
   *
   * <p><b>Note:</b> if mutability is not required, use {@link ImmutableMap#of()} instead.
   *

          BinaryOperator<V> mergeFunction) {
    return CollectCollectors.toImmutableEnumMap(keyFunction, valueFunction, mergeFunction);
  }

  /**
   * Creates a <i>mutable</i>, empty {@code HashMap} instance.
   *
   * <p><b>Note:</b> if mutability is not required, use {@link ImmutableMap#of()} instead.
   *

- Made node affinity in Persistent Volume mutable. ([#134339](https://github.com/kubernetes/kubernetes/pull/134339), [@huww98](https://github.com/huww98)) [SIG API Machinery, Apps and Node]