protected Set<? extends OWLAxiom> createAxioms() {
XMLWriterPreferences.getInstance().setUseNamespaceEntities(true);
IRI iriA = IRI("http://owlapi.sourceforge.net/properties#propA");
IRI iriB = IRI("http://owlapi.sourceforge.net/properties2#propB");
Set<OWLAxiom> axioms = new HashSet<>();
OWLClass clsA = Class(iri("A"));
OWLAnnotationProperty propA = AnnotationProperty(iriA);
OWLAnnotationProperty propB = AnnotationProperty(iriB);
axioms.add(Declaration(clsA));
axioms.add(AnnotationAssertion(propA, clsA.getIRI(), Literal("value1")));
axioms.add(AnnotationAssertion(propB, clsA.getIRI(), Literal("value2")));
return axioms;
}