git: openjdk/jdk-sandbox: json: first pass at unsealing product types - (impl only)

[duke]

Changeset: 80cbf0ff
Branch: json
Author:    Justin Lu <justin.lu at oracle.com>
Date:      2025-04-18 17:20:05 +0000
URL:       https://git.openjdk.org/jdk-sandbox/commit/80cbf0ff146ff6f9d9ee3e3d9847a314a3112d45

first pass at unsealing product types - (impl only)

! src/java.base/share/classes/java/util/json/Json.java
! src/java.base/share/classes/java/util/json/JsonArray.java
! src/java.base/share/classes/java/util/json/JsonArrayImpl.java
! src/java.base/share/classes/java/util/json/JsonBoolean.java
! src/java.base/share/classes/java/util/json/JsonBooleanImpl.java
! src/java.base/share/classes/java/util/json/JsonNull.java
! src/java.base/share/classes/java/util/json/JsonNullImpl.java
! src/java.base/share/classes/java/util/json/JsonNumber.java
! src/java.base/share/classes/java/util/json/JsonNumberImpl.java
! src/java.base/share/classes/java/util/json/JsonObject.java
! src/java.base/share/classes/java/util/json/JsonObjectImpl.java
! src/java.base/share/classes/java/util/json/JsonString.java
! src/java.base/share/classes/java/util/json/JsonStringImpl.java
! src/java.base/share/classes/java/util/json/JsonValueImpl.java
+ test/jdk/java/util/json/TestOtherImpl.java