RFR: JDK-8310913 Move ReferencedKeyMap to jdk.internal so it may be shared [v5]

[Mandy Chung]

On Tue, 18 Jul 2023 15:01:11 GMT, Chen Liang <liach at openjdk.org> wrote:

>> src/java.base/share/classes/jdk/internal/util/ReferencedKeyMap.java line 132:
>> 
>>> 130:      */
>>> 131:     public static <K, V> ReferencedKeyMap<K, V>
>>> 132:     create(boolean isSoft, boolean useNativeQueue, Supplier<Map<ReferenceKey<K>, V>> supplier) {
>> 
>> I suggest to keep the previous `create(boolean isSoft, Supplier supplier)`  factory method that defaults to non-native reference queue, which is commonly used.   Only `MethodType` needs to use native reference queue.
>
> Mandy: The no-`NativeQueue` version is already implemented above.

Yes Jim made the change per this review feedback - see [8eff918](https://github.com/openjdk/jdk/pull/14684/commits/8eff91836f98cb33164046f2304185f11df12609)

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PR Review Comment: https://git.openjdk.org/jdk/pull/14684#discussion_r1267020337