FolderTypeShadow typeShadow = new FolderTypeShadow();
        typeShadow.setName("AAAA");
        FolderType type = MW.getFolderTypeFactory().create(typeShadow);
        RelationTypeShadow relationTypeShadow = type.createRelationTypeShadow();
        relationTypeShadow.setName("AAAA");
        for (int i = 0; i < 3; i++) {
            RelationAttributeTypeShadow attrShadow = new RelationAttributeTypeShadow();
            attrShadow.setName("attr" + i);
            attrShadow.setValueFactoryClass(BigDecimalFactory.class);
            relationTypeShadow.add(attrShadow);
        }
        type.createDefaultRelationType(relationTypeShadow);