private final TestDirectoryProvider temporaryFolder
    private boolean initialized = false
    private TestFile userHomeDir
    private TestFile userM2Directory
    private TestFile userSettingsFile
    private TestFile globalMavenDirectory
    private TestFile globalSettingsFile
    private TestFile isolatedMavenRepoForLeakageChecks
    private boolean isolateMavenLocal = true

        return this;
    }

    // Settings files

    @Override
    public File getUserSettingsFile() {
        return userSettingsFile;
    }

    @Override
    public MavenExecutionRequest setUserSettingsFile(File userSettingsFile) {
        this.userSettingsFile = userSettingsFile;

        return this;
    }

    @Override
    public File getProjectSettingsFile() {