.filter(file -> file.isDirectory() == false)
            .forEach(file -> {
                try {
                    Set<ValidationMessage> validationMessages = jsonSchema.validate(mapper.readTree(file));
                    maybeLogAndCollectError(validationMessages, errors, file);
                } catch (IOException e) {
                    throw new UncheckedIOException(e);
                }
            });

                    return;
                }

                getLogger().debug("Checking {}", file.getName());

                try {
                    final JsonNode jsonNode = mapper.readTree(file);

                    if (jsonNode.isObject() == false) {
                        errors.put(file, Set.of("Expected an object, but found: " + jsonNode.getNodeType()));
                        return;

     */
    protected String extractJsonString(final String json, final String key) {
        try {
            final String cleanJson = stripCodeFences(json);
            final JsonNode root = objectMapper.readTree(cleanJson);
            final JsonNode node = root.get(key);
            if (node != null && node.isTextual()) {
                return node.asText();
            }
        } catch (final Exception e) {