static persistable class SynchronizedList<E>
    extends SynchronizedCollection<E>
    implements List<E> {
    /*final*/ List<E> list;

    SynchronizedList(List<E> list) {
        super(list);
        this.list = list;
    }
    SynchronizedList(List<E> list, Object mutex) {
        super(list, mutex);
        this.list = list;
    }

    public boolean equals(Object o) {
        if (this == o)
            return true;
        synchronized (mutex) {return list.equals(o);}
    }
    public int hashCode() {
        synchronized (mutex) {return list.hashCode();}
    }

    public E get(int index) {
        synchronized (mutex) {return list.get(index);}
    }
    public E set(int index, E element) {
        synchronized (mutex) {return list.set(index, element);}
    }
    public void add(int index, E element) {
        synchronized (mutex) {list.add(index, element);}
    }
    public E remove(int index) {
        synchronized (mutex) {return list.remove(index);}
    }

    public int indexOf(Object o) {
        synchronized (mutex) {return list.indexOf(o);}
    }
    public int lastIndexOf(Object o) {
        synchronized (mutex) {return list.lastIndexOf(o);}
    }

    public boolean addAll(int index, Collection<? extends E> c) {
        synchronized (mutex) {return list.addAll(index, c);}
    }

    public ListIterator<E> listIterator() {
        return list.listIterator(); // Must be manually synched by user
    }

    public ListIterator<E> listIterator(int index) {
        return list.listIterator(index); // Must be manually synched by user
    }

    public List<E> subList(int fromIndex, int toIndex) {
        synchronized (mutex) {
            return new SynchronizedList<>(list.subList(fromIndex, toIndex),
                                        mutex);
        }
    }

    @Override
    public void replaceAll(java.util.function.UnaryOperator<E> operator) {
        synchronized (mutex) {list.replaceAll(operator);}
    }
    @Override
    public void sort(Comparator<? super E> c) {
        synchronized (mutex) {list.sort(c);}
    }

    /**
     * SynchronizedRandomAccessList instances are serialized as
     * SynchronizedList instances to allow them to be deserialized
     * in pre-1.4 JREs (which do not have SynchronizedRandomAccessList).
     * This method inverts the transformation.  As a beneficial
     * side-effect, it also grafts the RandomAccess marker onto
     * SynchronizedList instances that were serialized in pre-1.4 JREs.
     *
     * Note: Unfortunately, SynchronizedRandomAccessList instances
     * serialized in 1.4.1 and deserialized in 1.4 will become
     * SynchronizedList instances, as this method was missing in 1.4.
     */
    @java.io.Serial
    private Object readResolve() {
        return (list instanceof RandomAccess
                ? new SynchronizedRandomAccessList<>(list)
                : this);
    }
}