return (Class) Map.class;
    }

    @Override
    public Class<K> getKeyType() {
        return keyType;
    }

    @Override
    public Class<V> getValueType() {
        return valueType;
    }

    @Override
    public Class<?> publicType() {
        return MapProperty.class;
    }

    @Override
    public int getFactoryId() {