@Override
    public boolean containsValue(Object value) {
        @SuppressWarnings("unchecked")
        V v1 = toInternal((V) value);
        for (V v2 : values) {
            // The map supports null values; this will be matched as NULL_VALUE.equals(NULL_VALUE).
            if (v2 != null && v2.equals(v1)) {
                return true;
            }
        }
        return false;
    }
The load factor for the map. Used to calculate {@link #maxSize}.
jraft-rheakv/rheakv-core/src/main/java/com/alipay/sofa/jraft/rhea/util/ByteObjectHashMap.java