public abstract class MavenInvokerTestSupport {
    static {
        System.setProperty(
                "library.jline.path",
                Path.of("target/dependency/org/jline/nativ").toAbsolutePath().toString());
    }

    public static final String POM_STRING = """
                <?xml version="1.0" encoding="UTF-8"?>

     *
     * @param path The file, must not be {@code null}.
     * @since 4.0.0
     */
    public FileSource(Path path) {
        this.path = Objects.requireNonNull(path, "path cannot be null").toAbsolutePath();
        this.hashCode = Objects.hash(path);
    }

    @Override
    public InputStream getInputStream() throws IOException {
        return Files.newInputStream(path);
    }

    @Override

                    .resolve(string.substring(2))
                    .normalize()
                    .toAbsolutePath();
        } else {
            // resolve based on $CWD
            return Paths.get(string).normalize().toAbsolutePath();
        }
    }

    private VersionFilter buildVersionFilter(String filterExpression) {

	  public static void main( String[] args ) throws Exception
	  {
	    setDefault( new Downloader() );
	    java.nio.file.Files.copy( java.net.URI.create( args[0] ).toURL().openStream(), java.nio.file.Paths.get( args[1] ).toAbsolutePath().normalize() );
	  }
	}
	END
  # For Cygwin/MinGW, switch paths to Windows format before running javac and java
  verbose " - Compiling Downloader.java ..."

            File currentPom = project.getFile();
            if (currentPom != null) {
                MavenSession session = event.getSession();
                Path current = currentPom.toPath().toAbsolutePath().normalize();
                Path topDirectory = session.getTopDirectory();
                if (topDirectory != null && current.startsWith(topDirectory)) {
                    current = topDirectory.relativize(current);

            File currentPom = project.getFile();
            if (currentPom != null) {
                MavenSession session = event.getSession();
                Path current = currentPom.toPath().toAbsolutePath().normalize();
                Path topDirectory = session.getTopDirectory();
                if (topDirectory != null && current.startsWith(topDirectory)) {
                    current = topDirectory.relativize(current);

                    Process p = Runtime.getRuntime().exec(new String[] {
                        Paths.get(System.getProperty("java.home"), "bin/java").toString(),
                        "-jar",
                        file.toAbsolutePath().toString(),
                        "5.32",
                        "5.27"
                    });

                    try {
                        assertEquals(0, p.waitFor(), "Unexpected exit code");

            System.exit(2);
        }

        Path propsPath = Paths.get("gradle.properties");
        if (!Files.exists(propsPath)) {
            System.err.println("gradle.properties not found at: " + propsPath.toAbsolutePath());
            System.exit(2);
        }

        Map<String, String> props = readProperties(propsPath);

        List<String> missing = new ArrayList<>();
        List<String> empty = new ArrayList<>();

    }

    @Override
    public String findTool(String toolName) {
        Path toRet = findTool(toolName, Paths.get(getJavaHome()).normalize());
        if (toRet != null) {
            return toRet.toAbsolutePath().toString();
        }
        return null;
    }

    private static Path findTool(String toolName, Path installDir) {
        Path bin = installDir.resolve("bin"); // NOI18N

            jtc.setJavaHome(Paths.get(javahome.getValue()).normalize().toString());
        } else {
            throw new MisconfiguredToolchainException(
                    "Non-existing JDK home configuration at " + normal.toAbsolutePath());
        }

        return jtc;
    }

    @Override
    public ToolchainPrivate createDefaultToolchain() {
        // not sure it's necessary to provide a default toolchain here.