private Collection<RDFNode> getPropertyValues(Property property, Set<PropertyValuePair> annotationSet) {
        return annotationSet.stream()
                .filter(p -> p.getProperty().equals(property))
                .flatMap(p -> p.getValues().stream())
                .collect(Collectors.toList());
    }
private Collection < RDFNode > getPropertyValues ( Property property , Set < PropertyValuePair > annotationSet ) { return annotationSet . stream ( ) . filter ( p -> p . getProperty ( ) . equals ( property ) ) . flatMap ( p -> p . getValues ( ) . stream ( ) ) . collect ( Collectors . toList ( ) ) ; }
/*
public Collection<RDFNode> getPropertyValues(Property property) {
return getPropertyValues(property, this.annotations);
}