CMSObject child11 = new CMSObjectBuilder(PX_O_11).build();
CMSObject child12 = new CMSObjectBuilder(PX_O_12).build();
CMSObject child21 = new CMSObjectBuilder(PX_O_21).build();
CMSObject child13 = new CMSObjectBuilder(PX_O_13).build();
ObjectTypeDefinition type1 = new ObjectTypeBuilder(PX_OT_1).propertyDefinition(pd1).build();
ObjectTypeDefinition type2 = new ObjectTypeBuilder(PX_OT_2).propertyDefinition(pd2).build();
ObjectTypeDefinition type3 = new ObjectTypeBuilder(PX_OT_3).propertyDefinition(pd3).build();
root.setObjectTypeRef(type1.getUniqueRef());
child11.setObjectTypeRef(type1.getUniqueRef());
child12.setObjectTypeRef(type2.getUniqueRef());
child13.setObjectTypeRef(type2.getUniqueRef());