private boolean isAbstract(String annotationType) {
        if (abztract==null) return false;
        for (Annotation a : abztract) {
            if (a.type.equals(annotationType)) return true;
        }
        return false;
    }
The class for this type if provided, otherwise null
vespa-documentgen-plugin/src/main/java/com/yahoo/vespa/DocumentGenMojo.java