import java.util.stream.Collectors;

class TomlWriter {
    private final static Pattern SEPARATOR = Pattern.compile("[_.-]");

    private static String normalizeForToml(String alias) {
        return SEPARATOR.matcher(alias).replaceAll("-");
    }

    private final Writer writer;

    TomlWriter(Writer writer) {
        this.writer = writer;
    }

    private TomlWriter writeLn(String line) {

        def tomlFile = Files.createTempFile(tempTomlDir.toPath(), "test-", ".toml")

        def writer = Files.newBufferedWriter(tomlFile)
        writer.withCloseable {
            def tomlWriter = new TomlWriter(it)
            tomlWriter.generate(sourceModel.deps)
        }

        return parse(tomlFile)
    }

    private Model parse(String resourceName) {

    private void doGenerate(DefaultVersionCatalog model, File outputFile) throws FileNotFoundException, UnsupportedEncodingException {
        try (PrintWriter writer = new PrintWriter(outputFile, "UTF-8")) {
            TomlWriter ctx = new TomlWriter(writer);
            ctx.generate(model);
        }
    }