List<String> overriddenMethods = Stream.of(FileToRawModelMerger.class.getDeclaredMethods())
                .map(Method::getName)
                .filter(m -> m.startsWith("merge"))
                .collect(Collectors.toList());

        assertTrue(
                overriddenMethods.containsAll(methodNames),
                "Expected overriddenMethods " + overriddenMethods + " to contain all methodNames " + methodNames);

            MethodMetaData overriddenMethod = methodMetaData.getOverriddenMethod();
            if (overriddenMethod == null) {
                listener.warning("No inherited javadoc comment found.");
                return Arrays.asList(document.createTextNode("!!NO INHERITED DOC COMMENT!!"));
            }

            return parse(overriddenMethod, listener).getDocbook();
        }
    }