private static final ObjectMapper yamlMapper = new ObjectMapper(new YAMLFactory());

    public static ChangelogEntry parse(File file) {
        try {
            return yamlMapper.readValue(file, ChangelogEntry.class);
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        }
    }

    public Integer getPr() {
        return pr;
    }

        return TemplateUtils.render(template, bindings);
    }

    private static Map<QualifiedVersion, Map<String, Map<String, List<ChangelogEntry>>>> buildChangelogBreakdown(
        Map<QualifiedVersion, Set<ChangelogEntry>> changelogsByVersion
    ) {
        Map<QualifiedVersion, Map<String, Map<String, List<ChangelogEntry>>>> changelogsByVersionByTypeByArea = new TreeMap<>(
            Comparator.reverseOrder()
        );

                    groupingBy(ChangelogEntry.Breaking::getArea, TreeMap::new, Collectors.toList())
                )
            );

        final Map<String, List<ChangelogEntry.Deprecation>> deprecationsByArea = entries.stream()
            .map(ChangelogEntry::getDeprecation)
            .filter(Objects::nonNull)
            .sorted(comparing(ChangelogEntry.Deprecation::getTitle))

            }
        }

        final Map<Boolean, List<ChangelogEntry.Highlight>> groupedHighlights = entries.stream()
            .map(ChangelogEntry::getHighlight)
            .filter(Objects::nonNull)
            .collect(Collectors.groupingBy(ChangelogEntry.Highlight::isNotable, Collectors.toList()));

        final List<ChangelogEntry.Highlight> notableHighlights = groupedHighlights.getOrDefault(true, List.of());

    public void executeTask() {
        final URI rootDir = projectLayout.getProjectDirectory().getAsFile().toURI();
        final Map<String, ChangelogEntry> changelogs = this.changelogs.getFiles()
            .stream()
            .collect(Collectors.toMap(file -> rootDir.relativize(file.toURI()).toString(), ChangelogEntry::parse));

        // We don't try to find all such errors, because we expect them to be rare e.g. only
        // when a new file is added.

            this.changelogs.getFiles()
        );

        final List<ChangelogEntry> entries = new ArrayList<>();
        final Map<QualifiedVersion, Set<ChangelogEntry>> changelogsByVersion = new HashMap<>();

        filesByVersion.forEach((version, files) -> {
            Set<ChangelogEntry> entriesForVersion = files.stream().map(ChangelogEntry::parse).collect(toSet());
            entries.addAll(entriesForVersion);