}

    private static class ViewKey implements Serializable {
        private final Class<?> type;
        private final ViewDecoration viewDecoration;

        ViewKey(Class<?> type, ViewDecoration viewDecoration) {
            this.type = type;
            this.viewDecoration = viewDecoration;
        }

        @Override
        public boolean equals(Object obj) {
            ViewKey other = (ViewKey) obj;