@SuppressWarnings("unchecked")
        static final <K,V> Segment<K,V>[] newArray(int i) {
            return new Segment[i];
        }
The collected weak-key reference queue for this segment.
This should be (re)initialized whenever table is assigned,
commons-profiler/src/main/java/com/navercorp/pinpoint/common/profiler/concurrent/jsr166/ConcurrentReferenceHashMap.java