@Nonnull
    default Path findMandatoryRoot(Path basedir) {
        Path rootDirectory = findRoot(basedir);
        if (rootDirectory == null) {
            throw new IllegalStateException(getNoRootMessage());
        }
        return rootDirectory;
    }

    @Nullable
    default Path findRoot(Path basedir) {
        Path rootDirectory = basedir;

            case ERROR -> Logger.LEVEL_ERROR;
        };
    }

    @Nullable
    public static Path findRoot(Path topDirectory) {
        requireNonNull(topDirectory, "topDirectory");
        Path rootDirectory =
                ServiceLoader.load(RootLocator.class).iterator().next().findRoot(topDirectory);
        if (rootDirectory != null) {
            return getCanonicalPath(rootDirectory);
        }

                        .setPathTranslator(new DefaultPathTranslator())
                        .setRootLocator(new DefaultRootLocator() {
                            @Override
                            public Path findRoot(Path basedir) {
                                return basedir;
                            }
                        }));

        context.setProjectDirectory(tempDir.toFile());

    }

    @Test
    public void findRootProjectWithAttribute() {
        Path test = Paths.get("src/test/projects/root-attribute");
        assertEquals(test, new DefaultRootLocator().findRoot(test.resolve("child")));
    }

    @Test
    public void testPropertiesInterpolation() throws Exception {
        FileSystem fs = Jimfs.newFileSystem(Configuration.windows());

                            .build();

                    if (pomFile != null) {
                        project.setRootDirectory(rootLocator.findRoot(pomFile.getParent()));
                    }

                    ModelBuilderResult result;
                    try {
                        result = modelBuilderSession.build(request);

            }
        }
        return getCanonicalPath(topDirectory);
    }

    @Nullable
    protected Path getRootDirectory(LocalContext context) {
        return CliUtils.findRoot(context.topDirectory);
    }

    protected Map<String, String> populateSystemProperties(LocalContext context) {
        Properties systemProperties = new Properties();

        RootLocator rootLocator =
                ServiceLoader.load(RootLocator.class).iterator().next();
        cliRequest.rootDirectory = rootLocator.findRoot(topDirectory);

        //
        // Make sure the Maven home directory is an absolute path to save us from confusion with say drive-relative
        // Windows paths.
        //

            @Override
            public String findTool(String toolName) {
                return null;
            }
        };
    }

    private DefaultToolchain newDefaultToolchain(ToolchainModel model, String type) {
        return new DefaultToolchain(model, type, logger) {
            @Override
            public String findTool(String toolName) {
                return null;
            }
        };

        return "JDK[" + getJavaHome() + "]";
    }

    @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

        @Override
        public String getType() {
            return delegate.getType();
        }

        @Override
        public String findTool(String toolName) {
            return delegate.findTool(toolName);
        }

        @Override
        public org.apache.maven.api.toolchain.ToolchainModel getModel() {
            return delegate.getModel().getDelegate();
        }