src/java.base/share/classes/java/time/zone/ZoneRules.java

*** 968,978 ****
       * daylight saving time. The list will also be empty if the transition rules are unknown.
       *
       * @return an immutable list of transition rules, not null
       */
      public List<ZoneOffsetTransitionRule> getTransitionRules() {
!         return Collections.unmodifiableList(Arrays.asList(lastRules));
      }
  
      /**
       * Checks if this set of rules equals another.
       * <p>
--- 968,978 ----
       * daylight saving time. The list will also be empty if the transition rules are unknown.
       *
       * @return an immutable list of transition rules, not null
       */
      public List<ZoneOffsetTransitionRule> getTransitionRules() {
!         return List.of(lastRules);
      }
  
      /**
       * Checks if this set of rules equals another.
       * <p>