attributes.put("gradleVersion", project.getVersion().toString());
            attributes.put("snippetsPath", "snippets");
            // Make sure the 'raw' location of the samples is available in all AsciidoctorTasks to access files with expected outputs in the 'tests' folder for inclusion in READMEs
            attributes.put("samplesPath", extension.getUserManual().getStagingRoot().dir("raw/samples").get().getAsFile());

            PropertyMetaData property = classDoc.getClassMetaData().findProperty(propName);
            if (property == null) {
                throw new RuntimeException(String.format("No metadata for property '%s.%s'. Available properties: %s", classDoc.getName(), propName, classDoc.getClassMetaData().getPropertyNames()));
            }

            Map<String, ExtraAttributeDoc> additionalValues = new LinkedHashMap<String, ExtraAttributeDoc>();

    @Override
    public T get(String fullyQualifiedClassName) {
        T t = find(fullyQualifiedClassName);
        if (t == null) {
            throw new UnknownDomainObjectException(String.format("No meta-data is available for class '%s'. Did you mean? %s", fullyQualifiedClassName, findPossibleMatches(fullyQualifiedClassName)));
        }
        return t;
    }

    @Override
    public T find(String fullyQualifiedClassName) {

            if (methods.isEmpty()) {
                throw new RuntimeException(String.format("No metadata for method '%s.%s()'. Available methods: %s", classDoc.getName(), methodName, classDoc.getClassMetaData().getDeclaredMethodNames()));
            }
            for (MethodMetaData method : methods) {